,Healthy Life,What is healthy food？,The food people eat greatly is very helpful to their health Some healthy food is quite good for preventing disease.,Do you know any English proverbs about health？,Happiness, first of all, in health. 幸福首先在于健康。 A healthy mind is in a healthy body. 健康的思想寓于健康的身体之中。,An increasing number of people are becoming aware of the significance of health maintenance（养生）. Just as the basic need of human beings for survival, like food to prevent starvation, and clothing to keep away from cold, being healthy is one essential element, which would be easily ignored.,Now, let us talk about something about healthy eating.,This food group is high in fiber and starches(淀粉): bread, cereal(谷物), grains, rice, pasta(意大利面食), potatoes and noodles.,This food group consists of meat fish, poultry(禽肉), and red meat. Nuts and beans, are included in this food group as well.,This food group is food containing fats and sugars.,You should try to eat at least 5 portions of fruits and vegetables daily.,First, healthy diet(健康饮食): A healthy diet is one that helps maintain(维持) or improve general health. A healthy diet provides the body with essential nutrition: fluid, adequate essential amino acids(氨基酸) from protein(蛋白质), essential fatty acids(脂肪酸), vitamins, minerals, and adequate calories. The requirements for a healthy diet can be met from a variety of plant-based and animal-based foods. A healthy diet supports energy needs and provides for human nutrition without exposure(暴露) to toxicity(毒性) or excessive(过度的) weight gain from consuming excessive amounts. Where lack of calories is not an issue, a properly balanced diet (in addition to exercise) is also thought to be important for lowering health risks, such as obesity.,Second, green food（绿色食品）: Today what a lot of people look forwards to eating is green food which is produced without being polluted, such as some fruits and vegetables. So healthy is it that its very popular among human beings. Dangerous food environment taken into consideration, green food exists not only as a kind of delicious dish but also as a lifestyle making people feel they are safe. Its green food that lets people attain(达到，获得) a good health condition. If a person wants to both feel good and look good, green food is a must. Green food is to us what water is to fish. Lets enjoy it.,Some green food,The mark of green food,Third，healthy food（健康食品） Your daily food selection should include bread and other whole-grain(全粮) products; fruits; vegetables; dairy products; and meat, poultry(禽肉), fish and other protein foods. Enjoy plenty of whole grains, fruits and vegetables. Try breads such as whole-wheat(全麦) bread. Spaghetti(意大利面条) and oatmeal(燕麦片) are also in the grain group. Bananas,strawberries and melons are some great tasting fruits. Try raw(生的) vegetables, on a sandwich or salad.,The old saying “to eat an apple going to bed, will make the doctor beg his bread“ has been justified(证明有道理) by its many health-rich properties(特性). One large apple supplies almost 30% of minimum amount of fiber( 纤维) that should be consumed daily.,Apple,Bananas Bananas are a natural antacid(解酸剂). They soothe heartburn(心痛;胃灼热) or gastric(胃的) distress(痛苦).,Carrots They are good for your eyes. Carrots and some other fruits and vegetables contain beta carotene(-胡萝卜素), which can reduce the chance of eye disease. One carrot a day can help prevent macular degeneration(黄斑退化), which eventually leads to blindness.,Tomato,Has the function of antioxidant(抗氧化剂) and being rich in vitamin C Prevent digestive(消化的) cancers and prostate(前列腺的) cancer Prevent blood vessel sclerosis(血管硬化).,Garlic,Reduce cholesterol(胆固醇) Prevent heart disease Purify(净化) blood and kill bacteria,Blueberries Blueberries fight the bacteria that causes diarrhea(腹泻).,Cranberry juice 酸莓汁 It is good for urinary tract infections(尿道感染). Why? Because the juice inhibits(抑制) a type of bacteria that clings to(紧抓) the wall of the bladder(膀胱) and causes infection.,Milk,One of the most complete foods nature can provide. Rich of protein，minerals and vitamins.,Yogurt Yogurt with acidophilus(乳酸菌) fights the bacteria that causes yeast infections(酵母菌感染).,Fish Good for your brain. The mineral zinc(锌) is found in fish and shellfish(甲壳类动物). Studies show that even a minimal deficiency(缺乏不足)of zinc impairs(损害，削弱) thinking and memory.,Chicken soup It fights congestion(充血) that comes with a cold. Chicken has an amino acid(氨基酸) that thins the mucous(黏液) lining of the sinuses(鼻窦), thus relieving stuffiness(不通气).,Oats,Reduce blood pressure, cholesterol(胆固醇) Prevent heart disease, large intestine(肠) cancer,Green tea,Prevent various cancers. Such as stomach cancer, esophageal(食道的) cancer, liver(肝脏) cancer and cutaneous(皮肤的) cancer. Prevent heart disease. Using it as mouthwash can prevent teeth from decay(衰退).,At present, almost all teenagers like eating the foreign fast food, such as hamburgers, chips , etc They only consider the taste of the food, and feel it