A wave of molecules — resveratrol, rapamycin, metformin among them — are being studied for one shared reason: they may nudge your cells to clean house. Here's the actual mechanism behind the buzz, and why it isn't a shortcut.

Metformin has been prescribed for type 2 diabetes for decades. Lately, patients without diabetes are asking for it by name, hoping it slows aging itself. Here's what the mechanism actually supports, and what it doesn't — yet.

Global disease burden data all points to the same conclusion: most chronic disease is driven by modifiable lifestyle habits. Here are the six pillars the evidence says matter most.

Every time one of your cells divides, a small protective cap at the end of your DNA gets a little shorter. That cap has a name, a measurable length, and — within limits — a rate you have some say over.

There is no instant cure for diabetic nerve damage, but there is a clear path toward healing..