Dr. Sears Comments:

Sitting for no more than 15 to 20 minutes at a time and then walking around the room for 2 minutes is the one exercise that has the greatest return on time investment. Usually it takes 1 hour of vigorous exercise to overcome 8 hours of sitting.

 

Report: Sit less to stave off heart disease

Sitting and other sedentary behaviors are so hazardous to health that adults should significantly limit the time they are inactive to stave off heart disease and stroke, a special American Heart Association panel said in a report published Monday.