Three decades of controlled studies have found no link between sugar and hyperactive behavior in kids. So why do parents still swear by the 'sugar rush' — and what are they actually observing?
Mar 16, 2026
The daily water intake advice that millions of Americans live by comes from a 1945 nutrition report that was completely misinterpreted. What started as a wartime calculation about total fluid intake somehow became the health rule everyone thinks they know.
Mar 16, 2026
Almost everyone has heard it: humans only use 10% of their brainpower. It's been repeated in self-help books, motivational speeches, and Hollywood movies for over a century. But neuroscience has known for a long time that this is flat-out wrong — and the real story of where the myth came from is stranger than you'd expect.
Mar 13, 2026
The eight-hour sleep rule has been repeated so often it feels like biological law. But sleep researchers have spent decades quietly complicating that number — and the real picture of healthy sleep looks a lot more individual, historically strange, and culturally specific than any single guideline can capture.
Mar 13, 2026
Generations of American home cooks have rinsed raw chicken under the faucet before cooking it — a habit passed down like a family heirloom. Turns out, that well-intentioned step is one of the riskier things you can do in your kitchen. Here's why food safety science finally caught up with a tradition that cookbooks and TV chefs kept alive for decades.
Mar 13, 2026
Cracking your knuckles causes arthritis — it's one of the most universally repeated health warnings in American households, delivered by parents and grandparents with absolute certainty. The only problem is that the science has never backed it up, and one physician spent six decades running a very personal experiment to prove it. Here's the real story behind a medical myth that refuses to die.
Mar 13, 2026
For decades, Americans have been told to drink eight glasses of water a day like it's gospel. But trace that advice back to its roots and the science gets surprisingly thin. Here's what researchers actually know about how much water your body needs.
Mar 13, 2026