Why does your body really hold onto fat? In this kickoff episode of our Body Fat Deep Dive, Marcus and Andrew break down the surprising science, expose the biggest myths, and give you a practical framework to start seeing results—whether you’re a trainer or just want to lose fat for good.

What you’ll learn:

• The true evolutionary reason we store body fat (it’s not laziness!)

• Body fat vs. body weight: why it matters

• The 4 types of fat (and why brown fat is your friend)

• Hormones behind fat storage: cortisol, insulin, leptin, & more

• BMI vs. body fat percentage: which actually matters?

• Debunking “out-training a bad diet” and other common myths

• Why “healthy foods” can still stall fat loss

• Real-world measurement tips for tracking progress

Timestamps:
00:00 – Intro & why body fat matters
03:30 – Evolution and fat storage
10:00 – Hormones, metabolism, & genetics
24:45 – Types of body fat explained
35:46 – BMI vs. body composition
43:16 – Fat loss mythbusting
53:15 – Calorie traps even healthy eaters fall into
58:15 – Takeaways for trainers & clients

Ready for evidence-based fat loss?

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Got questions or myths you want us to cover?

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Keywords: body fat, fat loss, weight loss, metabolism, fitness science, personal training, nutrition, hormones, body composition