showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom. Origin of cautious. 1630-1640.
It can reduce stress, manage anger and frustration in a healthy way, and can decrease your risk of depression. What is a sedentary lifestyle and what are some risks related to it? A way of life that involves little to no physical activity. It can cause unhealthy weight gain, cardiovascular disease, type 2 diabetes and can increase the chances of getting cancer.
I'm agree with how everyone has responded so far. These consequences are often due to the cumulative effects of leading a sedentary lifestyle finally taking their toll. Michael's link lists some of the major ones (i.e. obesity, back problems, etc.). Simple in form, yet it alludes to such a complex dilemma.