i. Stay away from tobacco, do not smoke or chew any tobacco-based products. Two, prevent infection. Three, within the normal weight range, the thinner the better. Exercise at least 30 minutes a day. V. Avoid sugary drinks and limit the consumption of foods with high caloric density (especially processed foods with high sugar or low fiber or high fat). Eat more different kinds of vegetables and fruits, whole grains and legumes. Seven, reduce the consumption of red meat (such as beef, pork and lamb) to avoid processed meats. Eight, if drinking alcoholic beverages, men should not have more than two cups per day, while women are limited to one cup. IX. Limit the consumption of foods high in salt and foods processed by salt (sodium) X. Do not use nutritional supplements to prevent cancer. Ideally, mothers should exclusively breastfeed their babies until six months of age, and then add other foods. XII. Balance your mind and be mentally healthy.