ZOE Science & Nutrition Can bigger muscles really help burn fat and keep you young? | Dr. Vonda Wright
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Jul 17, 2025 
Dr. Vonda Wright, a double board-certified orthopedic surgeon and best-selling author, shares her insights on the importance of muscle beyond just aesthetics. She explains how muscle acts as a metabolic powerhouse for energy and blood sugar control, challenging common weight-loss beliefs. The conversation covers the dangers of high blood sugar, the misconception that it's too late to build muscle, and how maintaining muscle mass is essential for healthy aging. Vonda also introduces strategies for strength training and nutrition tailored for women during the aging process.
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Muscle's Metabolic Powerhouse Role
- Muscle is not just for movement; it acts as an endocrine organ emitting hormones that regulate metabolism.
- Muscles influence glucose control, interact with the brain, fat, and bone, affecting overall health beyond aesthetics.
Muscle Scan Trio Reveals Exercise Impact
- Dr. Wright showed muscle scans comparing a 40-year-old triathlete, a sedentary person, and a 74-year-old triathlete.
- The 74-year-old athlete's muscle resembled the 40-year-old's, while the sedentary individual had muscle infiltrated with fat and thinner bones.
Muscle Loss in Calorie Restriction
- Calorie restriction often results in significant muscle loss, up to 20-50% of weight lost.
- Muscle loss during calorie restriction harms metabolism, strength, and overall energy efficiency.