The Number That Predicts How Long You Live Better Than Almost Anything Else
Most people have a rough sense of what shortens a life.
Smoking. Diabetes. Heart disease. High blood pressure. Those are the risk factors everyone knows, and they are the ones doctors screen for.
Here is one that rarely gets mentioned, and that turns out to sit right alongside them.
How fit you are.
Not how much you weigh. Not how much you exercise according to your own estimate. Your actual, measured cardiorespiratory fitness.
And the data behind this is considerably stronger than most people realize.