1 Minute of All-Out Exercise May Have Benefits of 45 Minutes of Moderate Exertion - The New York Times

http://well.blogs.nytimes.com/2016/04/27/1-minute-of-all-out-exercise-may-equal-45-minutes-of-moderate-exertion/?&hpw&rref=health&action=click&pgtype=Homepage&module=well-region&region=bottom-well&WT.nav=bottom-well