When I last wrote about the research I did on aging and exercise, I focused on one of the major ways biologists can tell where a person is in the aging process: the epigenetic clock. I described a ...

Telomeres are one of the keys to aging. We’ve known this for decades, and the scientists who first figured it out won the Nobel Prize in 2009. (One of them was my former colleague at Johns Hopkins ...

In the quest to unlock the secrets of aging and longevity, telomeres have emerged as key players. These protective caps at the ends of our chromosomes play a critical role in cellular aging. With each ...

Some say that the telomere test might not tell people much that cannot be learned in other ways. “You can pretty much look at people and determine their biological age,” said Michael West, who founded ...