Imagine receiving a test result that tells you your body is biologically five years older than your chronological age. You exercise regularly, get good sleep, eat healthy meals and have a happy personal life. What have you been doing wrong? Can this test be trusted?
Dozens of companies are marketing products that promise to reveal a person’s “true” biological age — that is, how well your body is functioning — for a price ranging from around US$30 to over $1,000. These products are based on epigenetic aging clocks, which are research tools that estimate age based on a person’s DNA. These clocks are reshaping how scientists study aging and how the public thinks about it.
Yuri Latson
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