ELi5 Why is periodically donating whole blood good for your health and longevity?

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This is what my father told me, and something he did throughout his lifetime. He lived to be 95.

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Anonymous 0 Comments

I had a very bad fear of needles for most of my young life and many years ago I heard that giving blood was both good for me and good for the recipients! So I confronted the fear and figured out that it wasn’t so bad.

I read at one point that giving blood purges you of iron and too much iron in your blood is apparently not ideal.

Supposedly one of the things that make cigarette smoking so terribly bad for your heart is that it raises iron levels in your blood.

I give blood about as often as allowed for many years; I believe it is every 56 days for whole blood. It’s a good idea.

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