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by drcode 1998 days ago
The other question is whether a young person loses any lifespan, by forcing their body to generate additional blood at a younger age, by being a blood donor. I suppose this could be tested experimentally by performing frequent phlebotomies on a mice and observing if it affects life span.
1 comments

In fact this has recently been studied.

>https://sciencenordic.com/body-death-denmark/frequent-blood-...

> A new study concludes that regular blood donors are not at a greater risk of a premature death than those who rarely donate blood.