Acupuncture and Chinese herbs are complementary therapies. An overweight or obese person must be willing to make a deep, long-term commitment to controlling their weight. Any therapy for weight control must be combined with a proper diet and exercise. Acupuncture for weight loss works on different levels. Acupuncture can stimulate the body's production of serotonin and endorphins. Thereby relaxing the person so they can avoid stress eating. Acupuncture has also been shown to improve the muscle tone of the gut to decrease hunger. Furthermore, acupuncture affects the hypothalamus which among many other things, plays a large role in the mechanisms of hunger.