Metabolism

You don’t need a 10-day fast to raise your longevity hormone — resistance training can boost FGF21 by 42% in just eight weeks.

The longevity hormone FGF21 spikes when you eat less protein — but that doesn’t mean you should stop eating it. Here’s what the research actually says.

Your metabolism didn’t break. It changed operating systems. Here’s what menopause actually rewires — and how to work with the new system instead of fighting it.

Diet vs exercise for weight loss: what the study actually said “You can’t outrun a bad diet.” You’ve heard it a thousand times. It’s on every fitness influencer’s page. It’s the default answer when someone asks whether diet or exercise matters more for weight loss. ...

Your bloodwork says normal. Your body says something else. A new study explains why both might be right.