Welcome — Section · 34 articles
Health information you can check: what your blood tests actually mean, how sleep and recovery really work, and which prevention advice survives contact with the studies. Plain English, sources named, no miracle cures — that is the house rule here.
The same 132/84 reading is stage 1 hypertension in the US but only 'high-normal' in Europe. Here is how the AHA and European categories compare, why…
The US and Europe change their clocks on different weekends — and the spring jump costs about 40 minutes of…
Sleep runs in ~90-minute cycles of light, deep and REM stages, each with different jobs. Why total time and regularity…
Night and rotating shifts fight the body clock, but anchor sleep, timed light and planned naps measurably reduce the strain.…
Melatonin is a timing signal, not a sleeping pill. It helps for jet lag, but evidence for everyday insomnia is…
The standard body-mass index, with honest context about its limits
