What these buzzy new tests can and can't tell you.

A simple blood test could detect which organs are aging at an accelerated pace for people who otherwise appear healthy, according to a recent study published on Dec. 7 in the journal Nature.

A team of Stanford scientists has developed a tool that can determine from a blood test whether a person's brain, heart or other organs appear "younger" or "older" than their chronological age, ...

In today’s mostly plague- and famine-free world, if you can avoid more modern scourges like gun and car violence, you can expect your death to arrive not with a bang but a whimper; when one of your ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Whether you're an early bird, a night owl or a functions-best-at-midday kind of person very much ...