Related Episodes for How Stimulants Change Motivation and Focus

“Although some evidence suggests that black, caffeinated coffee or tea may have little effect on the beneficial effects associated with time-restricted eating, experts in the field of circadian biology suggest a more conservative approach that permits coffee and tea only during the designated window of eating.”

“In a randomized crossover study of 20 healthy young adults, a 10:00 PM dinner produced higher overnight glucose and cortisol and lower fat oxidation than a 6:00 PM dinner. Conventional sleep architecture did not change, so the study supports a metabolic effect rather than proving that late meals cause insomnia.”

“A dose-response meta-analysis of 30 prospective studies, including more than 1.18 million participants, associated each additional daily cup with about a 6 percent lower incidence of type 2 diabetes, with similar patterns for caffeinated and decaf coffee.”

“In the 521,330-person EPIC cohort, participants in the highest country-specific quartile of coffee intake had lower all-cause mortality over an average 16.4 years than nonconsumers. The association was observational, with hazard ratios of 0.88 in men and 0.93 in women.”

“Small randomized crossover trials of amber lenses report mixed results, with one insomnia study finding subjective and actigraphy improvements and another healthy-adult study finding subjective changes without objective sleep improvement.”

“Circadian rhythms are the body’s 24-hour cycles of biological, hormonal, and behavioral patterns. Every organ and cell has its own daily timed circadian rhythm, which influences physiological processes, including the body’s production of hormones that regulate sleep, hunger, and metabolism.”

“Specific topics include autophagy, the process of recycling dysfunctional cells that is induced by fasting and fasting-mimicking drugs such as resveratrol and spermidine. Rhonda discusses the effects of fasting on Parkinson's disease and which groups of people should not fast.”

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

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

Dr. Rhonda Patrick discusses her supplement stack, avoiding microplastics, creatine for brain health, and mRNA vaccine autoimmunity risks.