OpenAI CEO Sam Altman takes the diabetes drug metformin to slow down aging. Metformin is a decades-old drug that is prescribed to millions of people with diabetes, CNBC reported. In addition to the drug, Altman's said his anti-aging regimen includes "trying to eat healthy, exercise, and sleep enough," per the MIT Technology Review. The company uses genetic engineering and plasma replacement to make cells younger, per the MIT Technology Review. Altman secretly poured $180 million dollars into Retro Bioscience's death-delaying treatment, the MIT Technology Review reported.

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