Epigenetic aging clocks use DNA methylation patterns to measure biological age and predict health risks across human tissues.

"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 ...

Biological Safety Testing Market By Product Type, By Test Type (Endotoxin Tests, Sterility Tests, Cell Line Authentication and Characterization Tests, Bioburden Tests, Adventitious Agent Detection ...

Every item on this page was chosen by a Town & Country editor. We may earn commission on some of the items you choose to buy. How old are you, exactly? That used to be an easy—if impertinent—­question ...

May has been a dispiriting month for psychiatry and a sad and worrying time for our patients. Three of the leading mental health organizations have squabbled among themselves- promoting silly and ...

Maybe you've seen the ads — "Discover your true age!" — or 50-year-old Silicon Valley gramp-bros bragging that they're "biologically 35." Or you've been exposed to "longevity influencers" and their ...

New Secretary of Defense Robert McNamara orders a review of the U.S. chemical and bioweapons program, leading to an expansion in field testing and more research on the feasibility of distributing ...

How old are you, exactly? That used to be an easy—if impertinent—­question to answer. It turns out the truth is a moving target. There’s your chronological age—the number of candles on your birthday ...