Dopamine helps us learn what may be worth pursuing. Serotonin participates in regulation and adaptation. Acetylcholine helps direct attention and translate neural intention into muscular action. Noradrenaline prepares the brain to notice and respond. None of them acts alone. And these four are not the entire chemical orchestra. Glutamate, GABA, histamine, endorphins, endocannabinoids, neuropeptides, hormones and immune signals also contribute to human thought, emotion and b

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..