"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, ...

Although chronological age is the most commonly used measure, it doesn’t capture the individual complexities of aging.

Deakin University provides funding as a member of The Conversation AU. We all like to imagine we’re ageing well. Now a simple blood or saliva test promises to tell us by measuring our “biological age” ...