Why do some people seem to age slower than others?

Why do some people seem to age slower than others?

One of their most striking findings involved cortisol, the body’s primary stress hormone, which played a big role in the AI model. In fact, they found that when cortisol levels doubled, biological age increased by about 50%! This finding lines up with lots of other evidence that chronic stress can accelerate aging, making stress management a critical factor in healthy aging.