In general, you can never be too old to donate blood. Though you can be too young or too thin.
The American Association of Blood Banks used to bar people over 65 from donating blood, but it scrapped the rule in 1978 after studies found that older people who stored their own blood prior to surgery did well, said Dr. Steven Kleinman, the association’s senior medical adviser. Now most blood banks are happy to accept blood from older volunteers.
“We found over time that individuals who are older do just fine donating blood, as long as they don’t have certain medical conditions that make them ineligible,” said Dr. Ross Herron, the chief medical officer of the West division of the American Red Cross, which collects 40 percent of the blood supply in the United States. (…)
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It can be concluded from this passage that:
