Related Episodes for Why Vitamin D Deficiency Matters for Brain and Biological Aging

“When produced during exercise (especially high intensity workouts like cycling, which shifts metabolism toward glycolysis to more quickly meet the high energetic demands), lactate switches on more than 600 genes involved in muscle adaptation, stimulates mitochondrial biogenesis – the process of making new mitochondria – and promotes protein synthesis, which is essential for muscle growth.”

“In this member Q&A clip, Dr. Rhonda Patrick shares four practices she uses or finds compelling for healthy aging: sauna, sulforaphane-rich foods or supplements, time-restricted eating, and high-intensity interval training.”

“Translating sleep insights into practical steps These findings highlight the possibility of using heat therapy or vigorous exercise to influence slow-wave sleep, drawing on the interplay between body temperature regulation, immunity, physical activity, and hormones.”

“In a secondary analysis of 72 men, the combined concentration of six PFAS declined by about 8 percent within the oat beta-glucan group over four weeks, while the study did not distinguish the magnitude of change from the control group.”

“Exposure to bright light also promotes the release of cortisol, and, in turn, the hormone drives wakefulness during the daytime hours. Chronic stress and mis-timed exposure to light can dysregulate cortisol release and promote aging, however.”

“A systematic review found no overall improvement in mood after cold-water immersion, while a small randomized trial found that repeated whole-body cryotherapy improved depression scores when added to standard pharmacological treatment.”

“High energy demand is a promising research setting. In a randomized crossover study of 15 healthy adults undergoing 21 hours of sleep deprivation, a single 0.35-gram-per-kilogram dose changed cerebral energy measures and improved selected cognitive outcomes.”

“A later crossover study using a lower weight-based dose found its clearest benefit in reasoning, while several memory, accuracy, fatigue, and sleepiness outcomes did not reliably improve. Routine muscle supplementation and acute sleep-loss research use different protocols.”

“In another randomized trial, advice to drink an additional 1.5 liters of water daily improved migraine-specific quality of life, even though headache-day counts did not clearly change. Selected nutrients may help some people as part of a broader prevention plan.”

“A systematic review in older adults linked Mediterranean dietary patterns with lower inflammatory markers, while a meta-analysis of randomized trials found that vitamin D supplementation reduced acute respiratory infection risk overall, with the strongest protection among people who were very deficient and received regular doses.”