This large study shows that metabolic function doesn’t decline until much later than previously thought — typically not until our 60s, well past the commonly touted middle-aged metabolic slump.

There are certain parameters or “tests” and can predict your lifespan. See how well you do on these 12 tests that measure your grip strength, mobility, walking speed, and heart rate recovery.

Two sirtuin proteins, SIRT1 and SIRT3, are highly involved in maintaining cardiac and mitochondrial function, especially with advancing age or in response to stress.

From probiotics to plant-based polyphenols, here’s our list of the top six supplements to consider taking to support overall health at any age.