Reached age 110 – and something unusual was discovered in their blood

A study conducted in Japan found an exceptional phenomenon among people who reached age 100 and older: the older the subjects, the greater the amount of a rare type of immune cell found in their…
Assessment
A Japanese study has found that people who live past 100 carry unusually high levels of a rare immune cell type capable of destroying infected, damaged, and cancerous cells. The effect was most pronounced in those over 110. This suggests the immune system may keep adapting to threats even at extreme old age. The finding raises the possibility that longevity is partly a matter of immune resilience, not just luck or genetics.

