Dr. Harold McGee, PhD, is a Stanford University professor and renowned author on the topics of food chemistry and culinary science. He explains how cooking methods, types of cookware and temperature can be used to transform food and drink flavors and presents simple but powerful ways to improve nutrient availability. We also discuss how our individual biology, genetic and cultural backgrounds shape our taste preferences. Whether you’re a seasoned cook or someone who simply loves to eat, our conversation will change how you think about food and cooking, give you actionable tools to try and deepen your appreciation of the experience of eating and drinking. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman Our Place: https://fromourplace.com/huberman Mateina: https://drinkmateina.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Harold McGee 00:02:21 Food Chemistry, Using Copper, Modern vs Traditional Techniques 00:09:59 Sponsors: Eight Sleep & Our Place 00:13:33 Cooking, Food & Heat, Taste & Smell 00:22:10 Umami, Savory Tastes, Braising & Meat 00:29:56 Chemistry of Cooking & Eating, Sugars & Conjugates; Slowly Enjoying Food 00:36:14 Savory Meal & Dessert; Food Course Order; Palate Cleansers 00:43:56 Salt, Baseline & Shifting Taste Preferences 00:47:18 Sponsors: AG1 & Mateina 00:50:07 Whole vs Processed Foods, Taste & Enjoyment 00:53:37 Brewing Coffee, Water Temperature, Grind Size 01:00:33 Tea & Tannins, Growing Tea Plants; Tea & Meals, Polyphenols 01:08:16 Food Combinations, Individual Tolerance; Is there an Optimal Diet? 01:11:34 Onions & Garlic, Histamines, Tool: Reduce Crying when Cutting Onions 01:13:55 Gut Sensitivities & Food, Capsaicin & Spicy Foods 01:17:21 Supertasters & Taste Buds, Bitter Taste, Chefs 01:21:57 Sponsor: Function 01:23:45 Salt & Bitter, Salting Fruit, Beer or Coffee, Warming Beer 01:26:11 Human History of Alcohol & Chocolate 01:29:25 Wine Expense vs Taste, Wine Knowledge 01:35:49 Cheese Making, Aged Cheese & Crystals, Tyrosine; Smoke Flavors, Distilling 01:44:30 Fermentation, “Stink Fish”, Caviar, Traditional & New Foods 01:50:42 Personal Journey, Astronomy, Poetry & Food 01:54:55 Beans & Gas, Tool: Soaking Beans 01:57:23 Gut Microbiome, Fermented Foods; Kids & Food Aversions 02:00:47 Cilantro & Divergent Tastes; Microwave Popcorn, Parmesan Cheese 02:04:46 John Keats Poetry, To Autumn; Acknowledgements 02:10:48 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, my guest is Dr. Anna Lembke, MD, Chief of the Stanford Addiction Medicine Dual Diagnosis Clinic at Stanford University School of Medicine. We discuss how dopamine drives reward, motivation and addictive behaviors. Dr. Lembke explains the concept of the pleasure-pain balance of dopamine and how this cycle plays a key role in the development and persistence of addiction. We also discuss some of the challenges of addiction recovery, including withdrawal, relapses and the potential benefits of psychedelic-assisted therapy. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Wealthfront**: https://wealthfront.com/huberman BetterHelp: https://betterhelp.com/huberman **This experience may not be representative of the experience of other clients of Wealthfront, and there is no guarantee that all clients will have similar experiences. Cash Account is offered by Wealthfront Brokerage LLC, Member FINRA/SIPC. The Annual Percentage Yield (“APY”) on cash deposits as of December 27,‬ 2024, is representative, subject to change, and requires no minimum. Funds in the Cash Account are swept to partner banks where they earn the variable‭ APY. Promo terms and FDIC coverage conditions apply. Same-day withdrawal or instant payment transfers may be limited by destination institutions, daily transaction caps, and by participating entities such as Wells Fargo, the RTP® Network, and FedNow® Service. New Cash Account deposits are subject to a 2-4 day holding period before becoming available for transfer. Timestamps 00:00:00 Anna Lembke 00:00:15 Dopamine, Reward & Movement 00:01:54 Baseline Dopamine; Genetics, Temperament & Addiction 00:05:24 Addiction, Modern Life & Boredom 00:07:18 Sponsor: AG1 00:08:55 Pleasure-Pain Balance, Dopamine, Addiction 00:14:17 Resetting Dopamine, Substance or Behavior Recovery, Tool: 30-Day Abstinence 00:16:04 Relapse, Addiction, Reflexive Behavior, Empathy 00:20:17 Triggers, Relapse, Dopamine 00:23:15 Sponsor: Wealthfront & BetterHelp 00:26:04 Shame, Truth Telling & Recovery 00:28:26 Addiction, Psychedelic-Assisted Therapy, Psilocybin, MDMA 00:33:29 Social Media & Addiction, Tool: Intentionality Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode I explain how your vagus nerve—an extensive neural pathway linking your brain and body in both directions—powerfully regulates your mood, digestion, alertness and even certain food cravings, and I explain how you can activate certain vagus nerve pathways to improve your heart rate variability (HRV), a key marker of health and longevity. I also explain how to control vagal pathways to enhance your focus and alertness to improve learning and neuroplasticity. And I explain how your vagus nerve controls levels of serotonin in both your gut and brain, impacting your mood and emotional resilience and how to keep that pathway robust. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman LMNT: https://drinklmnt.com/huberman Joovv: https://joovv.com/huberman ROKA: https://roka.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Vagus Nerve 00:02:43 Sponsors: LMNT & Joovv 00:05:41 Cranial Nerves, Inputs (Afferents) & Outputs (Efferents), Sensory & Motor 00:12:40 Vagus Nerve & Sensory Pathways, Body & Brain 00:18:30 Sensory Information, Chemical & Mechanical Information 00:23:49 Sympathetic & Parasympathetic Nervous Systems, Vagus Nerve, Tool: Calming & Auricular (Ear) Sensation 00:30:19 Sponsors: AG1 & ROKA 00:33:38 Vagus Nerve Motor Outputs 00:36:00 Autoregulation, Improving Heart Rate Variability (HRV) Tools: HR Deceleration 00:49:46 Aging, Declining HRV, Health, Activity, Tool 00:52:31 Tool: Exercise, Increase Alertness for Cognitive & Physical Activity, Motivation 01:04:26 Sponsor: Function 01:06:14 Adult Neuroplasticity & Learning, Acetylcholine, Alpha GPC Nicotine 01:11:48 Tools: High-Intensity Exercise, Increase Alertness, Focus & Learning; Sleep 01:18:14 Serotonin, Gut, Brain & Mood, Depression & SSRIs 01:21:34 Serotonin, Improve Mood & Gut Health, Irritable Bowel Syndrome (IBS), Tools: Low-Sugar Fermented Foods, Tryptophan 01:28:49 Mood, Depression, Gut Health & Vagal Signaling, Probiotics 01:32:12 Calming Down via Vagus Nerve, Tool: Neck Peri-Arterial Vagus Stretch 01:42:00 Tools: Calming Down, Humming, Extended Exhales 01:46:38 Recap 01:48:46 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, I explore the sensations of pain and pleasure, explaining how they are sensed in the body and interpreted by the brain as well as methods to control their intensity. I discuss both the hardwired mechanisms and subjective factors that shape an individual’s perception of pain and pleasure. I also explain why pain thresholds vary from person to person and discuss various treatments for pain management such as acupuncture and supplements. Finally, I explain the role of key neurochemicals like dopamine and serotonin in mediating our experience of pain and pleasure. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman LMNT: https://drinklmnt.com/huberman Eight Sleep: https://eightsleep.com/huberman Timestamps 00:00:00 Pain & Pleasure 00:00:39 Skin, Appetitive vs Aversive Behaviors 00:02:10 Skin, Neurons & Brain 00:04:46 Brain Interpretation, Homunculus, Two-Point Discrimination Test 00:07:43 Pain & Pleasure, Subjective Interpretation 00:09:53 Sponsor: AG1 00:11:30 Tool: Pain & Expectation 00:13:08 Pain Threshold 00:14:46 Heat & Cold, Tool: Moving into Cold or Hot Environments 00:16:37 Subjective Pain, Psychosomatic, Fibromyalgia, Whole Body Pain, Acetyl-L-carnitine 00:20:54 Acupuncture, Electroacupuncture, Pain Management 00:23:44 Sponsors: LMNT & Eight Sleep 00:26:36 Red Heads & Pain Threshold, Endorphins 00:28:32 Improving Pain Threshold, Dopamine 00:30:00 Pleasure, Dopamine, Serotonin; Depression, Anti-depressants 00:34:12 Pleasure & Pain Balance, Dopamine, Addiction 00:36:08 Recap & Key Takeaways Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Michael Easter, a professor at the University of Nevada, Las Vegas and best-selling author. We discuss how particular daily life choices undermine our level of joy, our sense of purpose, our physical and our mental health and the daily, weekly, monthly and yearly steps we can all take to vastly increase our level of motivation, gratitude and overall life satisfaction. We discuss how effortful foraging for information, undistracted reflection and physical exercise are ways to ‘invest’ and therefore grow our levels of dopamine, energy and motivation, whereas low-friction activities are specifically designed to hijack or diminish them. We also discuss dopamine reward circuitry in the context of how to build and reset one’s energy levels and create a deeper sense of purpose in work, creative pursuits and relationships. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Maui Nui: https://mauinuivenison.com/huberman Helix Sleep: https://helixsleep.com/huberman Mateina: https://drinkmateina.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Michael Easter 00:02:14 Discomforts, Modern vs Ancient Life 00:07:35 Sponsors: Maui Nui & Helix Sleep 00:10:17 Modern Problems, Exercise, Trail vs Treadmill Running, Optic Flow, Hunting 00:20:01 Risk & Rewards, Intellectual vs Experiential Understanding 00:23:39 Modern Luxuries, First-World Problems, Gratitude, Tool: Volunteer 00:34:33 Rites of Passage, Tool: Challenge, Narrative & Purpose; Embracing Discomfort 00:40:43 Sponsors: AG1 & Mateina 00:43:33 Choice, 2% Study, Silence, Tools: Do Slightly Harder Things; Notice Resistance 00:54:05 Cognitive Challenges, Walking, Screens, Tool: Sitting with Boredom 01:01:53 Capturing Ideas, Attractor States, Tool: Being in Nature 01:06:50 2% Rule, Rites of Passage, Tool: Misogi Challenge 01:14:12 Phones, Sharing with Others, Social Media, Tool: Reflection vs Screen Time 01:23:23 Dopamine, Spending vs Investing, Guilt 01:29:48 Sponsor: Function 01:31:35 Relaxation, Shared Identities & Community, Music, Tool: In-Person Meeting 01:38:58 Loss of Gathering Places, Internet & Distorted Views, Hitchhiking 01:45:06 Misogi & Entry Points; Daily Schedule, Caffeine Intake 01:54:37 Optimal Circadian Schedule, Work Bouts, Exercise 01:59:12 Outdoor Adventures, Backpacking & Nutrition 02:04:57 Camping & Sleeping, Nature, Three-Day Effect 02:10:10 Sea Squirts; Misogi Adventures & Cognitive Vigor, Writing, Happiness 02:17:55 Effort & Rewards, Addiction, Dopamine, Catecholamines 02:22:36 Humans, Running & Carrying Weight, Fat Loss, Tool: How to Start Rucking 02:32:32 Physical/Cognitive Pursuits & Resistance; Creative “Magic” & Foraging 02:39:27 Motivation; Slot Machines, Loss Disguised as a Win, Speed 02:46:06 Gambling, Dopamine, Addiction 02:50:29 Tool: Avoid Frictionless Foraging; Sports Betting, Speed; Junk Food, Three V’s 02:56:22 Conveniences, Technology; Upcoming Book, Satisfaction 03:02:57 Substack Links, Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode my guest is Dr. Matt Walker, PhD, Professor of Neuroscience and Psychology at the University of California, Berkeley and host of The Matt Walker Podcast, which focuses on the science and impact of sleep. We explore the importance of sleep and how its nightly structure, including REM and non-REM stages, helps rejuvenate the mind and body. We also discuss how caffeine, alcohol, cannabis and melatonin supplements affect your ability to fall asleep and overall sleep quality. Additionally, Matt highlights the benefits of naps and shares a variety of unconventional tips to promote healthier, more restorative sleep. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman ROKA: https://roka.com/huberman Timestamps 00:00:00 Matt Walker, Sleep 00:00:25 Rapid Eye Movement (REM) & Non-REM Sleep, Paralysis 00:02:05 Sleep Cycles, Nighttime Sleep Structure, Hormones 00:07:08 Sponsor: Eight Sleep 00:08:54 Nighttime Waking Up, Fragmented Sleep 00:11:05 Sunlight Exposure & Sleep 00:12:28 Caffeine & Sleep Effects, Tool: Timing Caffeine 00:15:27 Alcohol & Sleep Effects 00:18:08 Cannabis; THC, Alcohol, REM Sleep & Dreams 00:20:24 Sponsor: ROKA 00:22:12 Melatonin, Supplementation?, Dose 00:28:18 Prescription Sleep Aids, Cognitive Behavioral Therapy (CBT) & Sleep 00:30:36 Naps, Benefits, Insomnia, Tool: Nap Length 00:34:07 Sponsor: AG1 00:35:44 Sleep Tips, Tools: “Do Nothing”; Winddown Routine; Worry Journal; Clocks 00:39:56 Acknowledgments Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Dr. Jay Bhattacharya, MD, PhD, Director of the National Institutes of Health (NIH) and Professor Emeritus of Health Policy at Stanford University. We discuss which scientific questions ought to be the priority for NIH, how to incentivize bold, innovative science especially from younger labs, how to solve the replication crisis and restore trust and transparency in science and public health, including acknowledging prior failures by the NIH. We discuss the COVID-19 pandemic and the data and sociological factors that motivated lockdowns, masking and vaccine mandates. Dr. Bhattacharya shares his views on how to resolve the vaccine–autism debate and how best to find the causes and cures for autism and chronic diseases. The topics we cover impact everyone: male, female, young and old and, given that NIH is the premier research and public health organization in the world, extend to Americans and non-Americans alike. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman David: https://davidprotein.com/huberman Eight Sleep: https://eightsleep.com/huberman Levels: ⁠https://levels.link/huberman⁠ LMNT: https://drinklmnt.com/huberman Timestamps 00:00:00 Jay Bhattacharya 00:06:56 National Institutes of Health (NIH), Mission 00:09:12 Funding, Basic vs. Applied Research 00:18:22 Sponsors: David & Eight Sleep 00:21:20 Indirect Costs (IDC), Policies & Distribution 00:30:43 Taxpayer Funding, Journal Access, Public Transparency 00:38:14 Taxpayer Funding, Patents; Drug Costs in the USA vs Other Countries 00:48:50 Reducing Medication Prices; R&D, Improving Health 01:00:01 Sponsors: AG1 & Levels 01:02:55 Lowering IDC?, Endowments, Monetary Distribution, Scientific Groupthink 01:12:29 Grant Review Process, Innovation 01:21:43 R01s, Tenure, Early Career Scientists & Novel Ideas 01:31:46 Sociology of Grant Evaluation, Careerism in Science, Failures 01:39:08 “Sick Care” System, Health Needs 01:44:01 Sponsor: LMNT 01:45:33 Incentives in Science, H-Index, Replication Crisis 01:58:54 Scientists, Data Fraud, Changing Careers 02:03:59 NIH & Changing Incentive Structure, Replication, Pro-Social Behavior 02:15:26 Scientific Discovery, Careers & Changing Times, Journals & Publications 02:19:56 NIH Grants & Appeals, Under-represented Populations, DEI 02:28:58 Inductive vs Deductive Science; DEI & Grants; Young Scientists & NIH Funding 02:39:38 Grant Funding, Identity & Race; Shift in NIH Priorities 02:51:23 Public Trust & Science, COVID Pandemic, Lockdowns, Masks 03:04:41 Pandemic Mandates & Economic Inequality; Fear; Public Health & Free Speech 03:13:39 Masks, Harms, Public Health Messaging, Uniformity, Groupthink, Vaccines 03:22:48 Academic Ostracism, Public Health Messaging & Opposition 03:30:26 Culture of American Science, Discourse & Disagreement 03:36:03 Vaccines, COVID Vaccines, Benefits & Harms 03:47:05 Vaccine Mandates, Money, Public Health Messaging, Civil Liberties 03:54:52 COVID Vaccines, Long-Term Effects; Long COVID, Vaccine Injury, Flu Shots 04:06:47 Do Vaccines Cause Autism?; What Explains Rise in Autism 04:18:33 Autism & NIH; MAHA & Restructuring NIH? 04:25:47 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, I discuss interoception, the brain’s ability to sense and interpret signals from the body, which shapes our sense of self and underlies vital functions like focus, sleep, healing and emotions. I explain how the body communicates different types of information to the brain, influencing processes like digestion, heart rate and immune function. I also describe practical tools such as breathwork to regulate alertness, strategies to support gut health and reduce sugar cravings, and awareness practices to enhance interoception. By understanding and applying these tools, you can strengthen the brain-body connection to improve mood, overall health and performance. Read the episode show notes at hubermanlab.com. Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch or listen to the full-length episode at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman LMNT: https://drinklmnt.com/huberman Timestamps 00:00:00 Sense of Self, Interoception 00:01:25 Brain & Body Communication, Vagus Nerve, Mechanical & Chemical Information 00:04:43 Lungs & Diaphragm, Tool: Breathwork for Alert or Calm 00:09:47 Sponsors: AG1 & Eight Sleep 00:13:14 Brain & Gut Communication, Tool: Reduce Sugar Cravings 00:18:27 Brain, Gut Chemistry, Inflammation & Gut Microbiome, Tool: Fermented Foods 00:22:20 Sponsor: LMNT 00:23:52 Vomiting, Brain; Tool: Reduce Nausea 00:28:52 Fever, Brain Chemistry, Tool: Cooling Body 00:33:20 Vagus Nerve, Emotions, Mood, Tool: Heart Awareness 00:39:29 Recap & Key Takeaways Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Dr. Mary-Frances O’Connor, PhD, Professor of Clinical Psychology and Psychiatry at the University of Arizona and a world expert on the science of grief and loss. We discuss what happens in the brain and body when we grieve, the role of dopamine and yearning in the grieving process, the health risks of getting stuck at particular stages of grief and how to move through loss while also deeply honoring the person, animal or thing that is no longer with us. Dr. O’Connor explains that grief involves cycling back and forth between protest and despair (often guilt and anger too) and explains science-supported ways to move through that process in the healthiest possible way. Everyone experiences grief and loss at some point. Dr. O’Connor provides valuable knowledge and tools to help you navigate grief under any circumstance. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Wealthfront**: https://wealthfront.com/huberman BetterHelp: https://betterhelp.com/huberman Helix Sleep: https://helixsleep.com/huberman Function: https://functionhealth.com/huberman **This experience may not be representative of the experience of other clients of Wealthfront, and there is no guarantee that all clients will have similar experiences. Cash Account is offered by Wealthfront Brokerage LLC, Member FINRA/SIPC. The Annual Percentage Yield (“APY”) on cash deposits as of December 27,‬ 2024, is representative, subject to change, and requires no minimum. Funds in the Cash Account are swept to partner banks where they earn the variable‭ APY. Promo terms and FDIC coverage conditions apply. Same-day withdrawal or instant payment transfers may be limited by destination institutions, daily transaction caps, and by participating entities such as Wells Fargo, the RTP® Network, and FedNow® Service. New Cash Account deposits are subject to a 2-4 day holding period before becoming available for transfer. Timestamps 00:00:00 Mary-Frances O’Connor 00:02:22 Grief vs Grieving; Love & Bonding, Gone Yet Everlasting 00:07:42 Sponsors: Wealthfront & BetterHelp 00:10:29 Sudden vs Slow Death, Attachment, Reframing Relationship 00:14:52 Religion, Integrating the New Relationship 00:20:46 Yearning, Dopamine, Brain, Addiction 00:27:58 Culture & Grief Literacy; Protest, Despair & Hope, New Relationships 00:40:09 Sponsors: AG1 & Helix Sleep 00:43:21 Protest, Despair & Transmutation; Changing Attachment Hierarchy 00:52:04 Bereavement Support, Medical Risk 01:05:27 Culture, Alcohol & Death; Dying of a Broken Heart, Medical Risk 01:13:40 Sponsor: Function 01:15:28 Navigating Grief, Emotions & Body, Tool: Progressive Muscle Relaxation 01:23:57 Grief Stages; Permission & Coping, Judgment & Guilt; Lessons from Grief 01:35:44 Grieving Suicide, Rumination, Tool: Shifting Environment 01:47:24 Belief Systems, Religion & Grief 01:54:17 Afterlife, Contemplating Death 01:58:35 Tools: Contemplating Death; Life Celebration, Terror Management, Empathy 02:07:46 Mental Oscillation, Dual Model of Bereavement 02:14:00 Avoidance; Remembering a Loved One, Resilience; Getting Worse & Seeking Professional Help 02:22:15 Time Perception & End of Life, Motivation & Energy 02:30:01 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode my guest is Lex Fridman, PhD, a research scientist at the Massachusetts Institute of Technology (MIT), an expert in robotics and host of the Lex Fridman Podcast. We discuss the development of artificial intelligence through machine learning, deep learning and self-supervised techniques. We also examine the growing significance of interactions between humans and robots, including their potential for companionship and emotional connection. This episode explores how AI is shifting from a technical tool into something that could reshape human relationships, emotions and society. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Maui Nui: https://mauinui.com/huberman Function: https://functionhealth.com/huberman David: https://davidprotein.com/huberman Timestamps 00:00:00 Lex Fridman; Artificial Intelligence (AI), Machine Learning, Deep Learning 00:02:23 Supervised vs Self-Supervised Learning, Self-Play Mechanism 00:09:06 Tesla Autopilot, Autonomous Driving, Robot & Human Interaction 00:14:26 Sponsors: AG1 & Maui Nui 00:17:47 Human & Robot Relationship, Loneliness, Time 00:22:38 Authenticity, Robot Companion, Emotions 00:27:55 Robot & Human Relationship, Manipulation, Rights 00:32:12 Sponsors: Function & David 00:35:14 Dogs, Homer, Companion, Cancer, Death 00:40:04 Dogs, Costello, Decline, Joy, Loss 00:47:31 Closing Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Dr. Melissa Ilardo, Ph.D., professor of biomedical informatics at the University of Utah. We discuss the interplay between genes and behaviors, including how certain behaviors can improve resilience by changing gene and organ function, as well as natural selection events happening in humans today. We also discuss the immune system–related reasons people find the smells of potential mates attractive—or not. We explore how physical and psychological traits are passed from one generation to the next, and the specific behaviors that can influence gene expression to improve health and performance. Melissa explains her lab’s pioneering research on breath-hold training and how activation of the dive reflex through breath holding can significantly improve oxygen availability by changing spleen size and function. We also delve into the medical uses and ethics of gene editing to cure disease in both babies and adults. For those interested in genes and inheritance, human performance, immune system function, and natural selection, this episode illustrates the remarkable interplay between human nature and nurture. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Joovv: https://joovv.com/huberman Eight Sleep: https://eightsleep.com/huberman LMNT: https://drinklmnt.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Melissa Ilardo 00:02:35 Nature vs Nurture, Gene Expression, Eye Color 00:07:06 Sponsors: Joovv & Eight Sleep 00:10:24 Epigenetics, Trauma, Mutations; Hybrid Vigor, Mate Attraction 00:15:47 Globalization; Homo Sapiens, Mating & Evolution; Mutations 00:25:28 Sea Nomads, Bajau & Moken Groups; Free Diving, Dangers & Gasp Reflex 00:32:52 Cultural Traditions, Free Diving & Families; Fishing 00:35:36 Mammalian Dive Reflex, Oxygen, Spleen, Cold Water & Face; Exercise 00:42:43 Sponsors: AG1 & LMNT 00:46:00 Free Diving, Spleen, Thyroid Hormone, Performance Enhancement 00:52:00 Dive Reflex, Immune System; Swimming & Health; Coastal Regions & Genetics 00:55:17 Female Free Divers, Haenyeo, Cold Water, Age, Protein 01:03:20 Human Evolution & Diet, Lactase, Fat 01:05:07 Korean Female Free Divers & Adaptations, Cardiovascular, Pregnancy 01:10:13 Miscarriages & Genetic Selection; Bajau, External Appearance, Mate Selection 01:17:15 Sponsor: Function 01:19:03 Free Diving, Underwater Vision; Super-Performers & Genetics 01:25:01 Cognitive Performance, Autism, Creativity; Genetic Determinism & Mindset 01:36:30 Genetics & Ethics, CRISPR, Embryo Genetic Screening 01:44:36 Admixture, Genetics; Are Humans a Single Species? 01:49:39 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, I provide a science-based daily protocol designed to enhance performance, mood and overall health by strategically timing simple yet powerful tools and behaviors. I explain how to increase energy and alertness in the morning, optimize your workspace and work sessions for maximum focus, and structure your day for sustained productivity. I also discuss the roles of fasting, meal and caffeine timing, and key nutrients, as well as how to leverage exercise to sharpen alertness and cognitive performance. Additionally, I describe evening practices and supplements that help you fall asleep quickly and promote quality sleep. Read the episode show notes at hubermanlab.com. Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch the full-length episode at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman LMNT: https://drinklmnt.com/huberman Timestamps 00:00:00 Office Hours, Example Daily Protocol 00:01:48 Morning, Tools: Temperature Minimum, Walk, Sunlight & Cortisol 00:05:30 Hydration, Electrolytes, Tool: Delay Caffeine 00:07:39 Sponsor: Eight Sleep 00:09:45 Morning Focus, Fasting 00:10:34 Tools: Optimize Workspace, Screen Position, Work Bouts 00:13:45 Tool: Timing Work Bouts, Temperature Minimum 00:16:02 Exercise, Strength & Hypertrophy, Endurance Training, Tool: 80/20 Workouts 00:19:01 Sponsor: AG1 00:20:48 Afternoon, Meal Timing, Carbs, Omega-3s, Tool: Afternoon Walks & Light 00:25:33 Dinner, Sleep Transition, Carbs, Serotonin 00:28:44 Sponsor: LMNT 00:30:16 Accelerate Sleep, Tool: Reduce Temperature & Hot Baths 00:32:06 Sleep Supplements, Magnesium, Apigenin, Theanine; Waking at Night 00:35:06 Example Daily Routine, Work Blocks Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Tom Segura, renowned comedian, writer, actor and director. We discuss the “how-to” of comedy writing and storytelling, and what the science of humor and the creative process reveal about human emotion and memory. We explore why surprise and the act of "saying the unspoken truth" activate the brain’s reward circuits, as well as the subconscious mechanisms that shape our sense of what is funny. The episode also examines the bi-directional influence between comedy and cultural standards. It will interest anyone curious about the science of humor, the art of performance and emotional contagion. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Maui Nui: https://mauinuivenison.com/huberman Helix Sleep: https://helixsleep.com/huberman David Protein: https://davidprotein.com/huberman Function Health: https://functionhealth.com/huberman Timestamps 00:00:00 Tom Segura 00:01:45 Family, Sports, Running 00:09:35 Sponsors: Maui Nui & Helix Sleep 00:12:37 Ideas, Running, Sleep & Brain, Tools: Exercise for Energy; Phone Outside Room 00:20:16 Capturing Ideas, Cannabis, Storytelling, Experimentation 00:27:28 Ideas & Set List, Performance 00:31:52 Wife, Jokes, Reframing Content; Cancel Culture, Audience Reaction 00:40:56 Jokes, Self & Amusement; Evolution & New Material 00:48:26 Sponsors: AG1 & David Protein 00:51:24 Surprise, Hidden Thoughts; Acting 00:59:02 Voice Impersonation, Kids, Strength Training, Activities 01:05:40 Repeating Jokes; State Changes, Crowds & Energy 01:13:11 Silly Mindset; Audience, Emotional Contagion; Humor & Subconscious Mind 01:27:44 Sponsor: Function 01:29:32 Crowd Work, Comedy Clubs; Original Comedy 01:38:13 Comedy & Social Context; Dark Comedy 01:47:51 Drugs, Overdose, Comedian Deaths, Mental Health; Cynicism, Hope 01:54:21 Audience, Twin Comics; Vulnerability; Stand-Up & Performance 02:01:49 Comedy & Passion, Complaints; Childhood Struggle, Insecurities, Therapy 02:10:53 “Bad Thoughts” Show, Upcoming Projects 02:14:44 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this episode of Huberman Lab Essentials, my guest is Dr. Karl Deisseroth, M.D., Ph.D., a clinical psychiatrist and professor of bioengineering and of psychiatry and behavioral sciences at Stanford University. We discuss his experiences as a clinician treating complex psychiatric conditions and his lab’s pioneering work in developing transformative therapies for mental illness. He explains the complexities of mental illness and how emerging technologies—such as optogenetics and brain-machine interfaces—could revolutionize care. We also explore promising new therapies, including psychedelics and MDMA, for conditions like depression and PTSD. Read the episode show notes at hubermanlab.com. Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch or listen to the full-length episode at ⁠hubermanlab.com⁠. Thank you to our sponsors AG1: https://drinkag1.com/huberman David: https://davidprotein.com/huberman Eight Sleep: https://eightsleep.com/huberman Timestamps 00:00:00 Karl Deisseroth; Neurology vs Psychiatry 00:01:36 Speech; Blood Test?; Seeking Help 00:04:20 Feelings, Jargon; Psychiatric Treatment 00:09:40 Sponsor: David 00:10:55 Future Treatment; Vagus Nerve Stimulation, Depression, Optogenetics 00:19:40 Brain-Machine Interfaces 00:20:53 Sponsor: Eight Sleep 00:23:00 ADHD Symptoms, Lifestyle, Technology 00:29:34 Psychedelics, Depression Treatment, Risks 00:35:43 Sponsor: AG1 00:37:30 MDMA (Ecstasy), Trauma & Post-Traumatic Stress Disorder (PTSD) Treatment 00:40:33 Projections: A Story of Human Emotions Book, Optimism Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Dr. Christopher Gardner, Ph.D., professor of medicine and director of nutrition studies at Stanford. He is known for his pioneering research on the impact of dietary interventions on weight loss and health. We compare ketogenic, vegetarian, vegan and omnivorous diets—and why there is no one-size-fits-all approach. All agree, however, that eliminating or dramatically reducing processed foods is best for health. We discuss the protein needs controversy; plant vs. animal proteins; the importance of fiber and low-sugar fermented foods for gut health and inflammation; and how diet affects gene expression. We also review food allergies—including gluten, wheat, dairy and soy—as well as raw dairy. The episode offers data-supported advice for healthier eating. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman Mateina: https://drinkmateina.com/huberman BetterHelp: https://betterhelp.com/huberman LMNT: https://drinklmnt.com/huberman Levels: https://levelshealth.com/huberman Timestamps 00:00:00 Christopher Gardner 00:02:32 Is there a Best Diet?, Individual Needs, Geography & Diet, Lactose 00:11:02 Sponsors: Eight Sleep & Mateina 00:13:49 Raw Milk, Lactose Intolerance 00:20:33 Wheat Allergies, Gluten Intolerance; Celiac Disease 00:25:12 Processed Foods, Food Dyes, Research Outcomes, NOVA Classification, GRAS 00:33:44 Processed Foods, Economic & Time Considerations, US vs European Products 00:39:59 Food Industry Funding, Investigator Influence, Equipoise, Transparency 00:50:10 Sponsors: AG1 & BetterHelp 00:53:11 Industry Funding, National Institute of Health (NIH) 00:56:41 Whole Food, Plant-Based Diet; Diet Comparison, DIETFITS, A TO Z Study 01:10:24 Nutrition Naming, Omnivore, Meat, Animal Feeding Operations (CAFO) 01:17:14 Transforming American Diet; Taste, Health & Environment 01:22:26 Sponsor: LMNT 01:23:43 Food Preparation, Chefs, Improve School Food 01:29:54 Scalability, Mega-Farms, Small Farm & Farmer Loss 01:34:25 Protein Requirements, Dietary Protein Recommendations, Standard Deviations 01:45:33 Protein & Storage 01:52:12 Plants & Complete Proteins?, Legumes, Bioavailability 02:01:58 Sponsor: Levels 02:03:17 Beyond Meat, Impossible Meat, Ingredients, Sourcing Meat, Salt 02:09:18 Vegan vs Omnivore Diet, Twin Study, Cardiometabolic Markers, Genes, Microbiome 02:20:24 Health Science Communication, DEXA; “Protein Flip” Diet; Food Patterns, Caloric Intake 02:31:29 Microbiome, Inflammation, Fiber, Tool: Low-Sugar, Fermented Food 02:45:32 Acknowledgements 02:47:55 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, I explore how the auditory and vestibular (balance) systems are essential for enhancing learning and improving focus. I explain how the auditory system captures sound waves and how the brain interprets these signals to make sense of the environment. I also discuss the use of white noise and binaural beats to support brain states conducive to learning, focus and relaxation. Additionally, I explain how the vestibular system helps maintain balance and examine practical tools to enhance auditory learning, cognitive performance and mood. Read the episode show notes at hubermanlab.com. Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch or listen to the full-length episode at ⁠⁠hubermanlab.com⁠⁠. Thank you to our sponsors AG1: https://drinkag1.com/huberman Eight Sleep: https://eightsleep.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Huberman Lab Essentials; Hearing & Balance 00:00:55 Sponsor: AG1 00:02:55 Ears, Sound Waves, Cochlea 00:06:42 Sound & Direction, Ventriloquism Effect, Cupping Ears 00:10:09 Sponsor: Eight Sleep 00:11:45 Binaural Beats, Alertness, Calmness, Learning, Anxiety 00:16:03 Tool: White Noise & Learning 00:19:31 White Noise, Hearing Loss & Child Development 00:22:38 Sponsor: Function 00:25:26 Auditory Learning, Cocktail Party Effect, Tool: Remember New Names 00:29:31 Balance, Ears, Vestibular System 00:34:42 Improve Dynamic Balance, Tool: Improve Mood & Learning, Tilted Exercise 00:37:35 Recap & Key Takeaways Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is James Sexton, Esq., a renowned attorney specializing in contracts related to love and money—prenuptial agreements, divorce and custody. We explore the counterintuitive fact that people with prenuptial agreements tend to stay married longer and report more satisfying relationships than those who don’t. We discuss how legal contracts can foster deeper understanding by encouraging vulnerability and honest communication about each partner’s values and expectations. We also examine what defines true, lasting love versus generic romantic ideals—and how social media can distort our understanding of what we truly need. Additionally, we review how cultural traditions, gender dynamics, courtship length, and age at the time of marriage shape marital outcomes. This episode offers practical tools for anyone—single or partnered—to build more successful and stable relationships through deeply honest dialogue and contracts that reflect genuine values around love and money. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com/huberman Wealthfront**: https://wealthfront.com/huberman BetterHelp: https://betterhelp.com/huberman Our Place: https://fromourplace.com/huberman Function: https://functionhealth.com/huberman **This experience may not be representative of the experience of other clients of Wealthfront, and there is no guarantee that all clients will have similar experiences. Cash Account is offered by Wealthfront Brokerage LLC, Member FINRA/SIPC. The Annual Percentage Yield (“APY”) on cash deposits as of December 27,‬ 2024, is representative, subject to change, and requires no minimum. Funds in the Cash Account are swept to partner banks where they earn the variable‭ APY. Promo terms and FDIC coverage conditions apply. Same-day withdrawal or instant payment transfers may be limited by destination institutions, daily transaction caps, and by participating entities such as Wells Fargo, the RTP® Network, and FedNow® Service. New Cash Account deposits are subject to a 2-4 day holding period before becoming available for transfer. Timestamps 00:00:00 James Sexton 00:02:19 Divorce & Breakups, Men vs Women, Perception; Infidelity 00:12:04 Sponsors: Wealthfront & BetterHelp 00:14:41 Contracts, Business, Marriage Celebration, Prenups 00:26:24 Nesting; Prenups, Creating Rulesets 00:33:56 Prenups & Strengthening Marriage 00:38:19 Marriage Traditions; Divorce Rates, Religion 00:44:44 First vs Second Marriages, Love & Impermanence 00:50:09 Sponsors: AG1 & Our Place 00:53:53 Contracts, Relationships & Hard Conversations 01:02:37 Marriage & Underlying Problems, Love, Successful Marriages 01:16:27 Ideals, Social Media & Advertising, Simplicity, Dogs 01:27:33 Sponsor: Function 01:29:26 Intimacy, Tool: Early Framework for Hard Discussions 01:37:06 Prenup Consultation, Legal Defaults, Reasons for Marriage 01:47:37 Alimony, Prenups & Creating Rulesets, Yours, Mine & Ours, Adultery, Pets 02:02:30 Fond Memories & Ending Relationship, Pain, Divorce 02:12:49 Social Media, Movies & Ideals, Pornography vs Real Sexual Relationships 02:22:43 Revealing Flaws, Bravery, Prenups & Expectations, Money 02:37:49 Bravery, Vulnerability, Relationship Changes, Men vs Women, Marriage 02:47:11 Relationship Sacrifices, Men & Women; Prenups, Government 02:54:45 Life Milestones, Early vs Late Marriage, Navigating Challenges 03:01:38 Courtship Period & Marital Outcomes 03:10:12 Knowing Self & Partner, Vulnerability 03:16:58 "Postnup", Rekindling or Ending Relationships, Tool: Leave a Note 03:26:41 Heartbreak & Love, Divorce; Acknowledgements 03:34:45 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

In this Huberman Lab Essentials episode, I explore how your sense of smell (olfaction), taste, and chemical sensing influence memory, alertness, focus, and even communication between people. I explain how these senses help us detect chemicals in the environment and respond to a variety of environmental cues. I discuss the connection between the olfactory system and cognitive performance, and I provide practical tools to enhance learning, sensory function, and brain health. Additionally, I examine how chemical signals exchanged between people subtly influence emotions, biology, and social bonds. Huberman Lab Essentials episodes are approximately 30 minutes long and focus on key science and protocol takeaways from past Huberman Lab episodes. Essentials are released every Thursday, while full-length episodes continue to air every Monday. Read the episode show notes at hubermanlab.com. Huberman Lab Essentials are short episodes focused on essential science and protocol takeaways from past full-length Huberman Lab episodes. Watch or listen to the full-length episode at ⁠⁠⁠hubermanlab.com⁠⁠⁠. Thank you to our sponsors AG1: https://drinkag1.com/huberman LMNT: https://drinklmnt.com/huberman Our Place: https://fromourplace.com/huberman Timestamps 00:00:00 Huberman Lab Essentials; Smell & Taste 00:02:04 Tears, Biological Response & Communication 00:05:16 Sponsor: AG1 00:07:16 Smell, Innate vs Learned Response, Memory 00:10:31 Accessory Olfactory Pathway, Pheromones, Vandenbergh effect 00:12:42 Smell & Alertness, Smelling Salts, Tool: Nasal Breathing & Learning 00:16:06 Tool: Increase Sense of Smell 00:16:51 Sponsor: LMNT 00:18:07 Smell, Brain Health, Olfactory Neurons, Tool: Improve Smell 00:20:11 Traumatic Brain Injury & Olfactory Dysfunction 00:22:25 Smell, Alertness, Smelling Salts, Tool: Peppermint 00:24:32 Taste Modalities & Functions; Taste & Digestive System 00:30:47 Sponsor: Our Place 00:32:39 Pheromones, Coolidge Effect, Humans & Chemical Communication 00:38:44 Recap & Key Takeaways Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

My guest is Dr. Karolina Westlund, Ph.D., a professor of ethology at the University of Stockholm and an expert in animal emotions and behavior who uses science-based methods to improve the lives of animals in human care. We discuss the often overlooked needs of domesticated animals—primarily dogs and cats—and the things we can do to improve their well-being and our relationship with them. We cover how to interpret animal body language, the unique needs of specific dog breeds, and the needs of cats and birds. We also discuss the pros and cons of spaying and neutering and how weaning age impacts a pet’s attachment style. Whether you’re a pet owner, trainer, or simply an animal lover, this episode teaches you how specific pet behaviors are rooted in their immutable biology—and the simple things you can do to vastly improve your pets’ health and well-being, as well as your relationship with them. Read the episode show notes at hubermanlab.com. Thank you to our sponsors AG1: https://drinkag1.com.huberman Our Place: https://fromourplace.com/huberman Eight Sleep: https://eightsleep.com/huberman Joovv: https://joovv.com/huberman Function: https://functionhealth.com/huberman Timestamps 00:00:00 Karolina Westlund 00:02:19 Students & Animal Species; Horses 00:06:36 Dog Breeds & Interaction, Predatory Sequence, Smell, Domestication 00:12:42 Sponsors: Our Place & Eight Sleep 00:16:09 Dog Breeds & Domestication, Bulldogs 00:20:16 Core Affect Space, Petting, Tool: Consent Test; Polyvagal Theory 00:27:53 Space, Dominance, Resources, Leash Walking; Dog-Owner Training 00:37:13 Tail Wagging & Interpreting Body Signals, Facial Expressions 00:43:24 Play Bow, Tool: MARS & Playing; Dogs & Empathy 00:48:39 Sponsors: AG1 & Joovv 00:51:46 Fairness, Social Groups; Anthropomorphism vs Anthropodenial 00:57:45 Cats, Hunting, Bring Gifts?, Interaction & Socialization 01:03:56 Scent & Territorial Marking; Covering Waste, Tool: Litter Box Placement 01:08:17 “Pee Mail” & Communication; Wolves, Domestication 01:11:54 Zoos, Conservation; Tigers 01:18:53 Sponsor: Function 01:20:41 Stalking; Birds, Parrots 01:25:22 Nose Work, Wildlife Chasing, Tool: Dog Feeding & Challenge 01:31:01 Understanding & Choosing Dog for Your Lifestyle, Tool: Introducing Cats 01:34:27 Recognizing Self vs Other, Inbreeding Avoidance, Imprinting 01:40:51 Imprinting vs Attachment Bonds; Dogs, Weaning & Secure Attachment 01:48:36 Spaying & Neutering, Hormones, Tool: Neutering Alternatives 01:57:07 Humans as Animals, Tools, Cultural Learning 02:02:47 Zero-Cost Support, YouTube, Spotify & Apple Follow & Reviews, Sponsors, YouTube Feedback, Protocols Book, Social Media, Neural Network Newsletter Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices

Welcome to a preview of the 19th Ask Me Anything (AMA) episode, part of Huberman Lab Premium. If you're an existing Huberman Lab Premium member, you can log in to access the full episode at https://hubermanlab.supercast.com. You can access the transcript here. If you’re not a member, you can learn more and join Huberman Lab Premium at https://www.hubermanlab.com/premium. ROKA Wind Down™: https://www.roka.com/huberman Huberman Lab Essentials: https://go.hubermanlab.com/essentials Timestamps 00:00:00 Introduction 00:00:15 The Importance of Light Management for Sleep 00:00:58 Huberman Lab Premium 00:01:33 Research Funding & Matching Donations 00:03:05 Subscription Details & Benefits 00:03:48 Protein Sources 00:05:18 Comparing Whey Protein, Bone Broth, & Collagen 00:10:08 Protein Intake Recommendations 00:14:22 Whey Protein & Skin Health 00:17:42 Conclusion In the full AMA episode, we cover: Creatine & Water Retention Creatine for Brain Health Creatine Use in Teenagers Safety & Effects of Smelling Salts Other Stimulants: Caffeine & Nicotine Prescription Stimulants & Cognitive Enhancers Disclaimer & Disclosures Learn more about your ad choices. Visit megaphone.fm/adchoices