Body Composition, Muscle & Hormones: The Gap Between Research and What Actually Works | Proof of Practice

To cut through the noise in health and wellness — with honest, research-backed conversations that inspire real people to live longer, stronger, and more fully. No shame, no shortcuts, no wellness theater.

18 May 2026

Dr. Stacy Sims, Dr. Gabrielle Lyon, Dr. Abbie Smith-Ryan, Gabby Reece, and Amber Taylor dive into one of the most urgent conversations in women’s health: how to make sense of body composition data, build muscle that actually matters, and navigate the exploding landscape of hormone replacement therapy. They challenge the idea that you need expensive testing or hours in the gym to make meaningful progress, revealing that simple bodyweight circuits, walking, and two resistance sessions a week produced real results in perimenopausal women.The conversation gets candid about HRT delivery methods, including a clear consensus against pellets, and a practical breakdown of what hormone bloodwork every woman should get at baseline. This is the episode you will want to send to every woman in your life who is tired of one-size-fits-all advice. WHAT WE EXPLORE * What a DEXA scan actually measures (and what it misses about your muscle) * Visceral fat vs. body fat: why the distinction matters for metabolic health * Body composition tracking tools for women who cannot access a DEXA * How perimenopausal women lost body fat with just walking and bodyweight training * Strength training for beginners: why you do not need a gym or heavy weights * 15-minute workouts that actually move the needle for busy women * How to navigate conflicting health research without losing your mind * Menopause hormone therapy: patches, pellets, injections, and what the experts actually use * The exact hormone panel every woman should get before starting HRT * Why taking personal ownership of your health is the ultimate non-negotiable Timestamps: * 00:00 Why Women’s Health Research Has Failed (And What’s Changing) * 01:10 What DEXA Scans Actually Measure — And What They Miss * 04:10 Why Skeletal Muscle Is Your Most Important Metabolic Organ * 07:30 DEXA vs. Scales vs. Waist-Hip Ratio: What to Use and When * 09:00 Why You Should Trust How You Feel Over Your Data * 12:45 You Don’t Need a Gym or Heavy Weights to Build Muscle * 15:00 The 15-Minute Home Circuit Busy Women Can Actually Stick To * 18:30 Why Health Advice Is So Conflicting — And How to Filter It * 23:30 How to Read Research Without Getting Misled or Overwhelmed * 32:00 HRT Delivery Methods Explained: Patches, Pellets, Injections, and Creams * 41:30 The Exact Blood Panel Every Woman Should Get Before Starting HRT * 47:00 How to Build a Health Plan That Works for Your Real Life – ABOUT THE PROOF OF PRACTICE The Proof of Practice: Where Science Meets Practice Hosted by five of the most respected names in women’s health: Dr. Abbie Smith-Ryan, Amber Taylor, Gabby Reece, Dr. Gabrielle Lyon, and Dr. Stacy Sims, this show exists because women have been studied less, treated as afterthoughts, and given advice built for men. We’re changing that. Every episode brings evidence-based, experience-backed conversations on strength, metabolism, hormones, longevity, and performance: for women, by women who’ve dedicated their careers to getting it right. No trends. No shortcuts. Just the proof that practice works. – JOIN THE PROOF OF PRACTICE COMMUNITY The conversation doesn’t stop when the episode does. 📷 Follow us for evidence-based clips and the kind of content that makes you feel less alone in what you’re going through. This is where the conversation stays alive. 👉 https://www.instagram.com/proofofpractice_ 💌 Some things deserve more space than an episode allows. Join us on Substack for deeper dives, exclusive resources, and the nuance that actually helps you make sense of your health, not just follow a trend. 👉 https://proofpractice.substack.com/ 🎧 If this episode moved you, challenged you, or gave you something you needed to hear, there’s more where that came from. Subscribe so you never have to go looking. Every new conversation lands straight in your feed, ready when you are. This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit proofpractice.substack.com