Related Episodes for Temperature triggers sleep and influences sleep depth | Matthew Walker

“Time-restricted eating involves consuming meals within a specific daily time window. However, choosing the optimal time frame for that window is influenced by many factors, the most important of which is circadian rhythmicity, which alters our body's metabolic responses to food.”

“The mechanisms that drive the effects of sauna bathing include activation of heat shock proteins and pro- and anti-inflammatory cytokines; decreased blood pressure and arterial stiffness; and multiple improvements in cardiovascular function.”

“An enriched marine-oil study produced time- and dose-dependent increases in specialized pro-resolving mediators and altered blood-cell responses over 24 hours; it tested biomarkers, not disease prevention. Exercise, sauna, and cruciferous vegetables act through different pathways.”

“- Practical details like temperature and duration of sauna use, the difference between a dry, wet and infrared sauna, sauna timing, as well as other forms of heat stress such as steam showers, hot baths, and hot yoga.”

“Dr. Patrick begins with a prospective Finnish cohort in which men reporting four to seven sauna sessions per week had lower dementia and Alzheimer's disease incidence than men reporting one session. The study is observational, male-only, and cannot prove that sauna caused the lower risk.”

“Time-restricted eating, a form of fasting that limits the period during which a person eats to a 12- to 16-hour window, capitalizes on the benefits associated with both fasting and optimization of the body's circadian biology.”

“Acutely, however, caffeine can raise glucose or reduce insulin sensitivity in some people through sympathetic activation, so a short-term glucose response is not identical to the longer-term association. Timing provides the practical answer.”

“Dr. Ray Cronise began several self-experiments to lose weight based on the notion that the human body will repair itself in response to stress. He chose to subject himself regularly to brief periods of cold exposure, allowing his body to burn a few additional calories. In this clip, Dr. Ray Cronise shares his personal experiences with cold stress and weight loss.”

“Other hormetic responses to cold exposure include increased production of PGC1-alpha, a protein that promotes mitochondrial biogenesis, the production of new, healthy mitochondria, and the activation of brown fat – a phenomenon once thought to occur only in newborns, but now known to occur in adults, especially after cold exposure.”

“Perhaps the most clear-cut examples of cryotherapy’s beneficial effects are observed in the brain, where levels of the hormone and neurotransmitter norepinephrine – responsible for vigilance, attention, focus, and positive mood – increase markedly when the body is exposed to extreme cold.”