How can DNA from a cheek swab determine if someone is closely related to you? When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. DNA tests can tell ...

I was one of the first to spit into a test tube, giving up my DNA forever to learn more about my health and heredity. You know, the ones that promise to connect you with distant relatives you didn’t ...

Biohackers live by the mantra, “Test, don’t guess” — figure out how well your cells and organs are aging, so you know the lifestyle changes to make and the supplements to take for a longer, healthier ...