Dectaphin RX For individuals who are morbidly obese, surgery to bypass portions of the stomach and small intestine may at times be the only effective means of producing sustained and significant weight loss. The primary factor in achieving and maintaining weight loss is a lifelong commitment to regular exercise and sensible eating habits. You will find that all levels of your life are improved with weight loss which brings you so much personal satisfaction. If eating habits are not completely and permanently changed, the weight loss provided by a diet is not going to last long. If you suffer from, or think you may suffer from, a medical condition you should consult your doctor before starting a weight loss and / or exercise regime.