School, US, who studies the impact of obesity and exercise on disease, disagrees. Here’s why.Is it possible to be overweight and healthy?Virtually every weight-related health problem can be greatly improved or cured with a moderate level of exercise, even

at Harvard Medical School, US, who studies the impact of obesity and exercise on disease, disagrees. Here’s why.Is it possible to be overweight and healthy?Virtually every weight-related health problem can be greatly improved or cured with a moderate level

and interval workouts. Begin with a 20-minute run and gradually build up to 40 minutes. Then start this plan.You've got...20 minutesYou should: Run hill repeatsThe strength required to run on inclines builds calorie-hungry muscle as much as hitting the weights