CNN | How to fix health problems with exercise

130524140657-woman-exercise-ball-situps-story-topEver wonder why you feel so great after you break a sweat? Turns out, exercise isn’t just an effective flab-fighter — it’s a remedy for pretty much any troubling health issue you are facing: anxiety, insomnia, back pain — even hot flashes. “When it comes to preventing health problems, exercise is one of the best medicines we have,” says Dr. David Katz, founding director of the Yale University Prevention Research Center. Continue.