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.

important. Rather than extremely low or high levels, centenarians tended to fall within moderate ranges, suggesting that physiological balance matters more than extremes. Similarly, lower baseline inflammation was associated with longer life, supporting the idea that reduced chronic immune activation helps preserve organ function over time.

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