Cellular reprogramming is the hottest topic in longevity science, with tech titans like Sam Altman investing in it. It's now being tested in humans.

A poop transplant — otherwise known as a fecal microbiota transplant (FMT) — may help adults with long-term insomnia sleep better, a small study suggests. After the transplant, study participants' gut ...

Promising mouse studies and billions of dollars in funding are stoking excitement. But we’ve been here before. Earlier this week, Life Biosciences, a biotech company focused on reversing age-related ...