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How long does it the body of a healthy male to replace blood he donated to the American Red Cross?

How long does it take the body of a healthy male to replace blood he donated to The American Red Cross?

Public Comments

1. The lifespan of a red blood cell is 120 days.

2. Prolly about 2 days. It's mostly water, so drink a little extra. A pint isn't that much anyway.

3. Red Cross recommends waiting 8 weeks between donations.

4. well I think I was told that you can donate every 8 weeks.