Health
Five apps put through a head-to-head accuracy and durability test, with the only consumer tracker to date with an independently replicated accuracy paper coming out on top.
April 11, 2026
Health
Ozempic, Wegovy, Mounjaro, Zepbound — a working journalist's explainer of how the drugs work, what the evidence shows, and what is still in dispute as the second wave of these medications enters wide use.
April 7, 2026
Health
The training intensity that has dominated fitness conversation for the last three years has a real physiological basis and a less impressive evidence base than its loudest advocates claim. A look at what the underlying science actually shows.
March 31, 2026
Health
Five validated upper-arm cuffs tested against a clinic-grade reference, ranked by accuracy, cuff fit, app reliability, and durability over six weeks of household use.
March 21, 2026
Health
A side-by-side comparison of six widely used wearables against polysomnography — the clinical reference standard — in a small home sleep-lab study, with implications for what the numbers in your phone are actually telling you.
March 14, 2026
Health
Six pillows tested across two staff households over eight weeks of nightly use, ranked by support consistency, materials honesty, and how often the user actually slept the night through.
March 7, 2026
Health
The RDA was set in 1989 and has not budged since. The aging-research literature has moved a long way in the intervening decades. A look at where the recommended targets, the observational evidence, and the trial data have converged — and where they still disagree.
February 27, 2026
Health
Over-the-counter CGMs are now legal, marketed to wellness consumers, and being worn by tens of thousands of non-diabetic adults. The evidence base for what those readings mean in healthy people is much thinner than the marketing implies.
February 11, 2026
Health
An honest look at oral, ear, and forehead thermometers — which deliver clinically useful readings and which deliver expensive guesses.
January 24, 2026