"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." How old are you, exactly? That used to be an easy—if impertinent—­question to answer. It turns out the ...

Add Yahoo as a preferred source to see more of our stories on Google. Biological age tests are becoming popular with biohackers and longevity seekers. They're not perfect health indicators, but they ...

These days, you can order up a test to find out your biological age, an estimate of how quickly or slowly you're aging compared to your peers. It's based on an analysis of modifications in your DNA. I ...

How old are you, really? For about $300, several companies will tell you how old you appear to be based on your DNA. It is still very early days in “biological-age” technology, which is now packaged ...

Joshua Cox-Steib is a sociologist and freelance writer. He lives in Tulsa, Oklahoma, with his wife and their menagerie of pets. Joshua holds a degree in sociology from the University of Tulsa and ...

The TruAge Test allows users to collect a sample at home through a simple finger prick, eliminating the need for a laboratory visit. Once collected, the sample is sent to a CLIA certified and CAP ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You’ve heard it for years: Age is just a number. But there’s been a huge focus lately on biological age, ...

After swirling the cotton swab around my mouth and sealing it in the plastic bag, I felt confident about my DNA test results. Cocky, even. Four weeks later, Tally Health, a newly launched biotech ...