Forbes contributors publish independent expert analyses and insights. Jesse Pines is an expert in healthcare innovation and wellness. Biological age tests are one of the most talked-about tools in ...

What is biological sex? It seems like a question with an obvious answer: male and female, of course. You might point to internal or external sex organs, or sex chromosomes (XX for females, XY for ...

How old are you really? Birthdays may be a common tally, but your “age” isn’t determined by time alone. New research increasingly shows the importance of considering chronological age as something ...

Knowing—and manipulating—your "biological age" is certainly en vogue right, with longevity bros and our surging wellness era taking center stage in the public consciousness. But while it may be trendy ...