cells and the immune system. Recent research indicates that these differences not only affect blood compatibility but also the inflammatory response , circulation , oxidative stress , and predisposition to certain chronic diseases—all factors closely associated with aging.
Some preliminary studies have observed that people with blood type O appear to have certain long-term health advantages . This group, the most common worldwide, has been linked to a lower risk of cardiovascular diseases , such as heart attacks and strokes. It has also been associated with a lower incidence of some types of cancer and
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