We cannot lose weight for keep it off unless we understand our body’s mechanisms that work against us.  Once we understand these physiological mechanisms, we can devise an effective weight-loss strategy that provides us the highest probability of success and the minimum level of harm.  The presentation will cover the problems associated with dieting, the main types of diets and why they are harmful to our body, when you should diet, effective weight-loss strategies, and how to maintain a constant weight.