
A Human Has Now Been Dosed With a Cell Rejuvenation Therapy
It is a real scientific first. It is also an 18-person safety study in eye disease, with no placebo and no results expected before 2027.

Your Body Has a Health Score Doctors Aren't Checking Yet
New research says this five-part measure predicts memory trouble years before it shows up
Do you want to live to 120 in vibrant good health?

Cutting One Amino Acid Stretched Male Mouse Lifespan by 23%, Without Cutting a Single Calorie
A just-published Nature Aging study isolates valine as the lever, and the benefit splits sharply by sex

Ninety Minutes of Lifting a Week Looks Like the Ceiling, Not the Starting Line
A Harvard team just tracked 147,000 people for up to 30 years, and the payoff from strength training flattens out far earlier than the gym culture suggests.

The Pooled Verdict on Knee Stem Cell Injections Just Landed
Twenty-four randomized trials say they do reduce pain and improve function. The same analysis says nobody can yet tell you which version to buy.
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