January 09, 2017 Even people who get less exercise than recommended have less risk than folks who don’t break a sweat at all. “If someone is completely inactive, the best thing they can do is even getting out and taking a walk,” said Hannah Arem, a health researcher at George Washington University. For people who think they don’t have enough time for small amounts of exercise to matter, the results are “encouraging or perhaps motivating,” she said.
She had no role in the study, but wrote a commentary published with the results Monday in JAMA Internal Medicine. Here are some things to know. HOW MUCH EXERCISE DO WE NEED? U.S. and global guidelines call for 150 minutes of moderate or 75 minutes of vigorous exercise each week, ideally spread out so you get some on most days…