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Why can't older people donate stem cells? A look into donor eligibility and patient outcomes

According to the National Marrow Donor Program (NMDP), doctors request donors between the ages of 18 and 35 more than 95% of the time, leading many to ask: **Why can't older people donate stem cells?**. The answer lies in scientific and medical research that shows younger donors generally offer better outcomes for patients, though some older individuals can still donate in specific circumstances.