Jesper Bengtson
After decades of research, this is what creatine actually does to your body
Some claims about it hold up across hundreds of studies, but three widely repeated ones do not survive a closer look.
Could a handful of pistachios help you sleep? Here is what the research actually shows
The nuts carry real sleep chemistry inside them, but one piece of the puzzle has yet to be put to the test.
Girls who took this supplement for a year built measurably more bone than those who didn’t
The powder is cheap, mixes into a drink and feeds the gut bacteria, but it may do something else that matters for life.
How many hours of sleep do you really need? Your target, sorted by age
Your right number shifts across the decades, and drifting outside the band costs more than just a groggy morning.
The word that is quietly costing women’s health brands their reach online
Brands, charities and creators say they are being punished for posting basic, factual information about women's bodies on social media.
5 things yoga may do for your body and mind, backed by multiple trials
Most yoga claims thin out when researchers pool the trials, but five effects kept showing up when they did.