Fortune: Is reverse aging already possible? Drugs that could treat aging might already be on the pharmacy shelves

At 67 years old, Dr. Nir Barzilai looks about the same as, if not younger than, he did 10 years ago. It’s apparent in side-by-side photographs, and it’s what most people who know him say. Barzilai lives a healthy lifestyle. He exercises every day, eats right, and practices intermittent fasting.

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