Bursts

 NY Times: 2-Minute Bursts of Movement Can Have Big Health Benefits - A new study confirms that you don’t have to do a hard workout to reap the longevity rewards of exercise. By Dani Blum

Those who engaged in one or two-minute bursts of exercise roughly three times a day, like speed-walking while commuting to work or rapidly climbing stairs, showed a nearly 50 percent reduction in cardiovascular mortality risk and a roughly 40 percent reduction in the risk of dying from cancer as well as all causes of mortality, compared with those who did no vigorous spurts of fitness.