Health magazineTurns out that the time you exercise is as important as the moves you do—and mornings get top marks. Researchers at Bangor University in the United Kingdom found that people exercise longer and harder in the a.m., possibly because that’s when they feel more alert and energetic.That’s good to know because higher-intensity workouts make it easier to burn calories and tone your body. Don’t do mornings? Fit in some exercise right after work.Fanning the flameHere's welcome news: You may have inherited your mom's slow-mo metabolism, but you’re not stuck with it. New research shows you can trick your body into burning calories more efficiently, especially if you hit the gym. By strength-training just a couple of times a week, for example, you’ll reverse 50% of the seemingly inevitable metabolism slow-down that comes with age, says Gary Hunter, PhD, a professor of human studies at the University of Alabama at Birmingham. So take control of your metabolism by making these boosters part of your routine—and (finally) stop sweating every cookie.Kick it up a notchancorThe next time you run, swim, or even walk, ramp up the intensity for 30-second intervals, returning to your normal speed afterward. Using this strategy...