We have only just started to understand how our brains clean themselves, but columnist Helen Thomson finds promising evidence ...

While some studies suggest that apple cider vinegar can reduce the risk of fatty liver disease, the evidence is weak. Learn more about the benefits and risks.

Ozempic (semaglutide) helps people with type 2 diabetes lower their blood sugar if diet, exercise, and other diabetes medications haven’t worked. If you’ve just gotten a prescription for it, you might ...