It sounds like one of those viral claims—but there’s no proven blood type that makes you age slower.
Here’s what science actually says, in simple terms:
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Aging speed isn’t determined by blood type. Aging is mainly influenced by genetics, lifestyle (sleep, nutrition, stress, activity), environment, and healthcare.
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Some studies have found small links between blood types and certain disease risks (for example, type O and slightly lower risk of blood clots), but that’s not the same as slower aging or longer life.
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No major medical organization says any blood type is “the best,” “rarest,” or “anti‑aging.”
So if someone says:
“Having this blood type makes you age slower…”
That claim is misleading or false.
If you want, you can tell me which blood type the post or video mentioned, and I can explain exactly where that idea came from and why it spread.