Key Points
A "biological age" is meant to measure how healthy people's cells and organs are..
Many people are trying to slow down their biological clocks by using supplements, medicines, and lifestyle changes. Scientists say we have achieved anti-aging with other organisms, but it's not clear yet that we have done this in humans...
The buzzy term "biological age" suggests there may be a more complex and precise, scientific answer to the straightforward question "how old are you?" one that can't simply be answered by measuring the amount of time a person has spent on Earth...
But the idea that there is one, specific, numeric biological age to pinpoint for each of us is still controversial, in large part because it is difficult to say for sure that there's a "normal" way our cells should look at any given age, or that being "biologically young" is actually any different from staying healthy and fit as we age...
"We all have biological age and chronological age," Barzilai, a researcher hoping to develop a whole new class of US Food and Drug Administration-approved anti-aging treatments, called geroprotectors, recently told Insider..
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