Journal

Eight hours of sleep and still exhausted. Sound familiar? The fatigue that settles in after 40 isn't just stress or "getting older" — there's a specific, measurable reason your cells are producing ...

You used to eat a slice of bread and feel fine. Now the same meal sends you into a 3pm fog. You're not imagining it — and it's not about willpower. Here's the biology behind what's changing in your...