UNDATED (CNN) -- Here's a good reason to stand up and walk around.
A new study by the American Cancer Society finds sitting too much likely will shorten your life.
Researchers studied more than 123,000 people over a 14-year period.
They found women who sit for more than six hours a day were about 40-percent more likely to die during the course of the study, than those who sat for fewer than three hours a day.
Men were about 20-percent more likely to die in the comparison.
The Occupational Safety and Health Administration recommends you mix non-computer-related tasks into your workday.
By getting up and moving around, you are using different muscle groups.