“Those who moved more often, especially if they managed about an hour in total of physical activity over the course of the day, cut their mortality risk in half, the researchers found.” Yes, you should get moving for at least 30-60 minutes a day. But, according to a new study, it doesn’t matter if those minutes are all in a row. Gretchen Reynolds in the NYT: Those 2-Minute Walk Breaks? They Add Up.