Giving up beer will help your lose weight and not just because of the high calories content. According to the Food Research Institute in Norwich, when we drink a skinful we feel an outpouring of insulin stimulated by the ethanol in beer. This causes hypoglycemia, a reduction of sugar in the blood, which stimulates the sense of hunger, leading to a desire for high-carb foods Try drinking green tea for a month. Its catechins (antioxidants) stimulate the body's metabolism. In a study published in the American Journal of Clinical Nutrition men who drank green tea daily had significantly smaller waist measurements than those in the control group. Four cups a day should see you benefit from the rub of the green tea.