Why not even exercise will undo the harm of sitting all day—and what you can do about it

A large review recently published in The Journal of the National Cancer Institute confirms what we’ve been hearing for years: Sitting can be fatal.

The really bad news: You can’t exercise away the habit’s harmful effects.“Adjustment for physical activity did not affect the positive association between sedentary behavior and cancer,” the authors writeEven participants who achieved the daily recommended levels of physical activity were at the same risk as those who spent their day sitting.