Exercise, not diet, is the key

A recent study confirms that exercise alone can provide tremendous health benefits. BBC NEWS | Health | Obese should exercise not 'diet':

A programme which encouraged women not to diet but to take part in exercise classes found significant improvements in health and mental well-being.

The study showed exercise improved blood pressure, heart rate and cholesterol levels.  In addition, I think exercise is crucial to maintaining quality of life.  I see too many heavy people that can't carry their kids or grandkids, walk around the mall or try new activities.