Tests promising to reveal your “biological age” are booming. But scientists say the results vary widely — and aren’t reliable ...

Wed, January 7, 2026 at 12:56 PM UTC Do you ever wake up after a wild night out and feel like you’ve aged 20 years while you slept? While there’s no way that’s possible from a chronological stance, ...

Should you have that second cup of coffee? How about a little wine with dinner? And, is yogurt really your superfood? Scientists are getting closer to offering consumers a blood test that could help ...

Mitochondrial health testing is no longer just for scientists and athletes but a powerful new way to assess biological age and guide personalized longevity strategies. LA Times Studios may earn ...

When Dr. Sanjeev Goel M.D – founder and CEO of Peak Human – turned fifty, he began measuring his health through a new lens, becoming one of the few physicians who studied longevity while documenting ...

You may think you know how old you are, but your body doesn’t follow a calendar. That is, your chronological age, which measures how many years have passed since you were born, may not match your ...

NEW YORK, NY - APRIL 08: Mirimus lab scientists preparing to test COVID-19 samples from recovered patients on April 8, 2020 in Brooklyn, New York City. New York City is the epicenter of the ...

‘Biological age’ has become the health buzzword of the decade, and people are spending small (and large) fortunes on fancy new scans, testing and supplements all in pursuit of a younger biological age ...

Biological age tests measure how fast your body is aging compared to your actual age. These tests rely on biomarkers tied to cellular health, metabolism, and organ function. Different test types — ...