All posts in one place.If you’ve missed something or want to reread an earlier article, you’ll find it here. Browse through the archive and catch up at your own pace.
Most of the tryptophan you eat never becomes serotonin. When inflammation is running, even more of it gets diverted toward a compound that jams the receptors behind working memory.
Oct 23, 2026
Muscle builds meal by meal, not by the daily total. The breakfast that never crosses the bar is the same one that leaves your focus running thin by 2 p.m.
Oct 22, 2026
Blood flow to your brain isn’t steady. It gets dispatched to whichever region is working hardest, and by mid-afternoon that system has lost a backstop it had at 9 a.m.
Oct 21, 2026
Your fasting glucose comes back under 100 every year. The number that shows how hard your body is working to keep it there almost never makes the order.
Oct 20, 2026
Insulin from a late meal is still in your blood when deep sleep begins, and it blocks the growth hormone pulse your body runs its overnight repair on.
Oct 19, 2026
Most of it gets made while you sleep. One week of five-hour nights showed what cutting that shift does to your drive.
Oct 16, 2026
Why the can’t-be-bothered feeling of the flu can keep running at low volume every day, and how your body builds the switch that shuts inflammation off.
Oct 15, 2026
Many men who think their memory is slipping are dealing with their ears. Listening effort draws on the same tank you use to think and remember.
Oct 14, 2026
Why a brain with plenty of glucose can still run foggy when vitamin B1 runs short, and what in an ordinary week pulls on the supply.
Oct 13, 2026