For decades, scientists have searched for the biological secrets behind exceptional longevity. Why do some people live well into their 90s — even past 100 — while others do not? Emerging genetic research suggests that one clue may lie in something determined at birth: blood type. Increasing evidence points to blood type O as a potential advantage in the pursuit of a longer, … [Read more...] about Studies reveal: Most people over 100 have this blood type

