Topic
Sleep quality, circadian rhythm, and the protocols that move them.
Sleep deprivation degrades ethical judgment and decision-making in novel situations, contributing to disasters from train crashes to BP's 2005 explosion. Chronic pain, meanwhile, is reshaped by fear, relationships, and mindset as much as by tissue damage, per sleep researcher Chris Barnes and pain psychologist Rachel Zoffness.
Sleep cycles every 90 minutes, and early cycles release growth hormone and clean the brain, while later ones handle emotion and creativity. Neurobiologist Gina Poe explains how REM sleep silences the stress chemical norepinephrine, letting the brain separate emotion from memory, and why consistent bedtimes protect this whole system.
Barbell Medicine physicians Jordan Feigenbaum and Austin Baraki say testosterone therapy in the US is both overprescribed and underprescribed. They point to a 45-man Sydney trial where raising testosterone from 310 to 510 ng/dL did not beat placebo, and to the Traverse trial's reassuring two-year heart-safety data.