Key points from article :
Exercise is not enough to ward off the risks of sitting still for long periods of time, regular movement is needed, research shows.
Moving your body at least every half an hour could help to limit the harmful effects of desk jobs and other sedentary lifestyles.
The study found that both greater overall time spent inactive in a day, and longer periods of inactivity were linked to an increased risk of death.
The study was published in the Annals of Internal Medicine journal.
