The best way to lose weight is to focus on a natural weight loss program which involves a reduction in calories and an increase in physical activity. This simple guidance it would appear is rarely listened to as a third of overweight Americans and millions others globally, seem to attest.  Despite this, most of these overweight people want to be trim again, although probably more for cosmetic rather than health  reasons. The fact remains it is a whole lot easier to prevent putting on pounds (by exercising and eating healthily) - than to try losing them later on.