Related Episodes for What is aging and why does it matter to scientists? | Dr. Morgan Levine

“Brady Holmer turns the protocol into a weekly framework: one interval session, one longer easy session, additional base-pace activity, active recovery, and at least two resistance sessions. Dr. Patrick emphasizes the progressive build.”

“Even though the primary endpoints failed (NR did not improve insulin sensitivity or weight loss), he notes a meaningful signal in reduced liver fat—a 2% decrease in the NR group compared to a 0.2% reduction in the placebo group, a difference that didn't reach statistical significance, likely because subjects weren't randomized by liver fat and variability was high.”

“The oversimplified view that high-density lipoprotein (HDL) cholesterol is good, and low-density lipoprotein (LDL) cholesterol is bad has led to misunderstandings of the relationship between cholesterol and cardiovascular disease risk.”

“Preliminary findings from a study analyzing UK Biobank data with over 25,000 participants suggest that even 3-4 minutes of VILPA daily could reduce all-cause mortality risk by 25-30%.”

“However, the term "fasting" can comprise a variety of subtypes. Intermittent fasting, a term lacking specificity, usually refers to interventions such as alternate-day fasting, fasting one day per week, or a five:two eating pattern (fasting for two days per week).”

“The most compelling human signal appears when the brain is under acute strain. In a randomized crossover study, a single dose of 0.35 grams per kilogram during 21 hours of sleep deprivation changed cerebral energy metabolites and preserved selected measures of cognitive performance.”

“Healthy, well-nourished adults can usually synthesize enough, and athlete trials have not found consistent improvements in immune measures, aerobic performance, body composition, or intestinal permeability from routine supplementation.”

“00:20:21 - Some of the key blood-based biomarkers that are useful for tracking and projecting future cognitive health, including: homocysteine (<7μml/L preferred), which Dr. Bredesen indicates may be a mediator of cerebral atrophy, and also fasting insulin (<5% preferred), hemoglobin A1c, fasting glucose, vitamin D, and a number of other hormones relevant for trophic support.”

“Her practical message is to reduce the frequency and size of large glucose exposures. Foods with intact fiber, protein, and minimally processed carbohydrates digest more slowly than refined added sugar, while regular exercise gives skeletal muscle a large destination for circulating glucose.”

“In a two-year trial of 237 postmenopausal women, approximately 9 to 10 grams per day combined with resistance training and walking did not add a bone-density benefit, so its role is better framed around muscle and physical function.”