When it comes to weight loss, too many of us may turn to fad diets. Too often, we keep our eyes on the "prize" of quick weight loss and give little thought to the longevity factor or the long-term health risks of the plan. While some diets may be unsustainable, others may actually put our health at risk. Before starting that trendy diet program that we’ve heard has "worked" for a friend, it’s important...