Studies suggest people with a certain blood type may have a greater chance of reaching 100, as researchers explore links between genetics, longevity, heart health, inflammation, lifestyle factors, and disease resistance, sparking curiosity about how blood type might quietly influence aging, survival, and the odds of becoming a centenarian worldwide.

self-reported data, researchers analyzed objective blood tests taken in midlife and compared individuals who later lived past 90 with those who did not. The goal was not to predict individual outcomes, but to identify long-term biological patterns associated with longevity.

The study found that long-lived individuals often showed slightly better metabolic continue reading …