1)Limit eat.Sacrifice taste.It is a deal to be fit than eat. 2)Eat a variety of nutrient rich foods and a balanced diet. 3)Exercise regularly.Match food intake with physical activity.Eat only when you feel hungry.one should earn his own appetite and sleep. 4)Restrict intake of salt,condiments,pickles,papads,chips and fried foods. 5)Fill your belly with more of vegetables(chiefly leafy vegetables) 6)Cut down sweets. 7)Drink water in between feeds. 8)Avoid smoking and alcoholic drinks. Please follow these preventive measures who are after middle age.