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Dr. Rhonda Patrick discusses child nutrition, osteoporosis, cholesterol-lowering supplements, her skincare routine, and fasting versus prioritizing protein.

Dr. Rhonda Patrick answers audience questions on various health, nutrition, and science topics in this Q&A session.

“A study conducted in collaboration with Dr. Stuart Phillips revealed that older pre-diabetic individuals who took fewer than a thousand steps daily for two weeks experienced lasting decreases in protein synthesis and insulin sensitivity, which did not fully recover even after resuming regular activity.”

“Prospective human cohorts have reported associations between prenatal BPA measurements and later child behavior, sometimes with sex-specific patterns, but results are inconsistent and residual confounding remains possible.”

“Dr. Patrick also describes a trial in vitamin-D-deficient, overweight African-American adults in which 4,000 IU per day reduced an epigenetic-age measure by almost two years. Epigenetic age is a surrogate biomarker, not proof that vitamin D slowed clinical aging, prevented disease, or extended life.”

“According to the latest research on fed vs. fasted exercise: If your workout lasts longer than 60 minutes, especially aerobic (endurance-based) sessions, eating beforehand tends to improve performance Your body has quick access to glucose, which helps you go longer and harder.”

“Robust scientific evidence indicates that consuming a plant-rich diet that provides vitamins, minerals, fiber, and phytochemicals is healthier than consuming an all-meat diet. In this clip, Dr. Jed Fahey rebuts popular claims that an all-meat diet is healthful.”

“Creatine works by building tissue stores, so consistent daily intake matters more than taking it immediately before a specific workout. Dr. Patrick and Dr. Candow also discuss its value during aging, when preserving training quality and muscle becomes increasingly important for function and independence.”

“VO2 max is a complex, multifaceted parameter that reflects the intricate coordination between the cardiovascular and musculoskeletal systems during exercise, based on various factors ranging from cardiac output (which can differ considerably between trained athletes and weekend runners) to muscle oxygen extraction.”

“In this FoundMyFitness solo episode excerpt, Dr. Rhonda Patrick uses Dr. Bruce Ames's triage theory to explain why marginal magnesium intake may matter long before a classic deficiency appears.”