Welcome to The Chemist Couple podcast! Are your daily cups of coffee helping or hurting your heart? In this episode, we break down how caffeine affects blood pressure, heart rate, and cardiovascular health, helping you enjoy caffeine wisely without risking your well-being. Whether you're a coffee lover or pre-workout fan, you'll walk away with actionable tips to protect your heart.   🔍 Episode Breakdown: 00:00 Why caffeine and cardiovascular health matter 01:27 What is caffeine? How it blocks adenosine 02:40 Hidden sources of caffeine (it’s not just coffee!) 05:50 What is the toxic dose of caffeine? How your body metabolises it 08:06 What research says about caffeine and heart health 09:18 Coffee vs energy drinks: Does the source matter? 10:18 Is decaf coffee still good for you? 11:40 How caffeine affects blood pressure 16:36 What is a safe daily dose of caffeine? 17:55 When to have caffeine for better heart health 19:50 Caffeine's impact on heart rate and risk of arrhythmias 28:15 How caffeine affects with your sleep 30:40 Is pre-workout harming your cardiovascular system? 33:25 How we’re adjusting our caffeine intake   What You’ll Learn: The surprising relationship between caffeine and heart disease How much caffeine is really safe for your heart Best practices for enjoying caffeine without disrupting sleep or fitness goals   🔔 Subscribe to The Chemist Couple Podcast:Stay on top of the latest science-based preventative health tips. Hit the like button and tell us: How does caffeine fit into your life? #CaffeineHealth #HeartHealth #CoffeeEffects #BloodPressure #HeartRate #ChemistCouplePodcast #HealthyLiving #CaffeineTips   Here are our podcast links: https://open.spotify.com/show/5kJoyk0uY8u1H8CmgNDWzo?si=JF4_mY8oSES520KcOaHwhA   https://podcasts.apple.com/us/podcast/the-chemist-couple-podcast/id1773332678   Sign up to our newsletter and stay up to date with how we personally apply the science to enhance our lifestyle: https://mailchi.mp/c15c44eee6a0/thechemistcouplepodcast   You can also watch this podcast episode on YouTube: https://www.youtube.com/channel/UCAf1zFQF4_dyVG4z8DD0_3Q    As always, this podcast is for informational purposes only and should not be used in substitute to seeing a healthcare professional. Any questions, please reach out to us and thanks for listening!   Here is a list of the sources that we used to make this podcast:   https://academic.oup.com/eurheartj/advance-article/doi/10.1093/eurheartj/ehae871/7928425?login=false - Coffee timing and mortality https://link.springer.com/article/10.1007/s12170-024-00735-8#Sec4 - Pre-workout studies on CVD https://pmc.ncbi.nlm.nih.gov/articles/PMC9939061/- Coffee increasing CVD mortality https://www.sciencedirect.com/science/article/pii/S0273230017302210#abs0015 - Caffeine and cardiovascular health report https://www.sciencedirect.com/science/article/pii/S0273230017302210#sec1 - Caffeine and CVD overview https://www.sciencedirect.com/science/article/pii/S0278691517301709#sec3 - Safe dosing of caffeine   Guyton & Hall Medical Physiology 14th edition- general physiology overview   Rang & Dale’s Pharmacology 10th edition - general pharmacological overview