DEXA scans, protein, time-restricted feeding, fasting & more [AMA 40 sneak peek] | Peter Attia, M.D.

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In this “Ask Me Anything” (AMA) episode, Peter discusses the importance of understanding body composition and explains how to interpret the most important metrics revealed by a DEXA scan, such as lean muscle tissue mass, visceral adiposity tissue mass, bone mineral density, and more. He discusses common concerning trends in these metrics as well as strategies to address them. He goes through DEXA scan results of both male and female patient case studies and explains the prescribed intervention for each patient. Additionally, Peter answers numerous questions about dietary protein including how much we need, when we need it, and how intake should be divided throughout the day to optimize muscle protein synthesis. Finally, Peter provides his updated point of view on time-restricted feeding and fasting and how his personal approach and recommendations for patients has evolved.

In this sneak peek, we discuss:
00:00 - Intro
00:08 - Interpreting DEXA scans: important metrics, radiation levels, and more

In the full episode, we also discuss:
-DEXA metrics: Bone mineral density (BMD);
-DEXA metrics: Visceral adipose tissue;
-DEXA metrics on lean tissue: appendicular lean mass index (ALMI) and fat-free mass index (FFMI);
-Concerning trends in BMD, VAT, & muscle mass revealed through DEXA scans;
-Muscle and lean tissue loss with age and how to overcome anabolic resistance;
-Female patient case studies: DEXA scan results and prescribed interventions;
-Male patient case studies: DEXA scan results and prescribed interventions;
-Protein consumption: recommended daily intake, Peter’s personal approach, timing around workouts, and more;
-What to look for with protein supplements;
-Protein intake: optimal timing and how it should be divided throughout the day;
-Time-restricted feeding (TRF): Peter’s updated perspective;
-Three strategies for reducing energy intake in over-nourished patients;
-Prolonged fasting: potential benefits and tradeoffs;
-A protein-supplemented version of time-restricted feeding (TRF);
-Theories about time-restricted feeding (TRF) and its positive influence on sleep and circadian rhythm; and
-More.

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About:

The Peter Attia Drive is a weekly, ultra-deep-dive podcast focusing on maximizing health, longevity, critical thinking…and a few other things. With over 45 million episodes downloaded, it features topics including fasting, ketosis, Alzheimer’s disease, cancer, mental health, and much more.

Peter is a physician focusing on the applied science of longevity. His practice deals extensively with nutritional interventions, exercise physiology, sleep physiology, emotional and mental health, and pharmacology to increase lifespan (delay the onset of chronic disease), while simultaneously improving healthspan (quality of life).

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Disclaimer: This podcast is for general informational purposes only and does not constitute the practice of medicine, nursing, or other professional healthcare services, including the giving of medical advice. No doctor-patient relationship is formed. The use of this information and the materials linked to this podcast is at the user's own risk. The content on this podcast is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Users should not disregard or delay in obtaining medical advice for any medical condition they have, and they should seek the assistance of their healthcare professionals for any such conditions. I take conflicts of interest very seriously. For all of my disclosures and the companies I invest in or advise, please visit my website where I keep an up-to-date and active list of such companies.