For years, I thought of exercise in terms of calories in and calories out: Eat too much pizza on Saturday night, take an extra spin class. Skip an hourlong run, skip a bagel the next day. Train for a triathlon, eat whatever I want — because, hey, wasn’t I burning like a zillion calories a day? This approach had two problems. Link to story

Article by Katherine Hobson

Photo by Matt Flores on Unsplash