Search results for hormones

“And although testosterone and other steroid hormones do influence muscle growth, they play less of a role than one might think – and may carry some risks. In this second part of our two-part Aliquot, Dr. Stuart Phillips and I continue our discussion on the role that nutrients and supplements play in muscle adaptation.”

“Although a variety of factors likely influence this difference in aging rates, telomere length stands out as a critical factor. Women have considerably longer telomeres than men – a difference manifested at birth and probably due to the influence of sex hormones.”

“The reason the Endocrine Society defines vitamin D deficiency as below 20 ng/ml (50 nmol/L), by the way, is because this is the cut-off point where parathyroid hormone levels, which are involved in calcium homeostasis, start to rise outside of healthy ranges.”

“As a result, sauna use is associated with lower risk of cardiovascular and neurodegenerative diseases. The mechanisms that drive these effects are likely due to increased heat shock proteins and metabolic and hormonal changes that accompany exercise and sauna use.”

“One example is seen in goitrin, an isothiocyanate compound derived from cabbage, rapeseed, and kale, that inhibits thyroid hormone formation. But long-term studies in humans and rodents have shown that broccoli sprouts carry little risk of goitrogenic effects.”

“Tim also tracks additional biomarkers including glucose level, hemoglobin A1c, sex hormones, and numerous other parameters. In this clip, Tim Ferriss describes the biomarkers that he tracks to fine-tune his health and mental well-being.”

“Exercise promotes the release of insulin-like growth factor-1 and its downstream targets, growth hormone and brain-derived neurotrophic factor, to drive muscle and neuron growth. Sauna use increases these factors, too, and when used post-exercise, may have a synergistic effect to improve cardiovascular, musculoskeletal, and neurological health.”

“Whether extreme endurance exercise suppresses immune function transiently due to stress hormones such as cortisol or via another mechanism is a subject of much debate. In this clip, Dr. Rhonda Patrick describes how varying levels of exercise affect the immune response in different ways.”

“Imagine a drug that improves sleep, reduces stress, sharpens focus, and boosts mood—without cost or side effects. That "drug" is light. Natural light is more than just illumination; it's a potent regulator of our body's internal clock, driving critical processes like hormone release and sleep-wake cycles.”

“A vast array of hormones, chemicals, and processes operate day and night in concert to regulate diverse physiological and metabolic processes. To assure these tasks are performed appropriately, the body adheres to timetables, known as circadian rhythms.”