BBC News | Hour’s activity ‘offsets sedentary day’
An hour’s “brisk exercise” each day offsets the risks of early death linked to a desk-bound working life, scientists suggest. The analysis of data from more than a million people is part of a study of physical activity published in the Lancet to coincide with the Olympics. Watching TV was found to be worse than sitting at a desk, probably because of associated habits like snacking. Current NHS guidelines recommend 150 minutes of moderate exercise a week. Continue.