healthy food junk food(健康食品和垃圾食品).ppt

The food people eat greatly is very helpful to their health． Some healthy food is quite good for preventing disease． Garlic Reduce cholesterol Prevent heart disease Purify blood and kill bacteria Tomato Has the function of antioxidant and being rich in vitamin C Prevent digestive cancers and prostate cancer Prevent blood vessel sclerosis Milk One of the most complete foods nature can provide Rich of protein，minerals and vitamins Oat Reduce blood pressure, cholesterol Prevent heart disease, large intestine cancer food that is high in salt, sugar, fat, or calories and low in nutrient content the cause of overweight (超重), heart diseases and many other health problems Fried food increases chances of cardiovascular disease (心血管疾病） Contains carcinogens(致癌物） Destroys vitamin and transforms protein Barbecue Carbonated drinks Contain H3PO4, H2CO3, which will reduce calcium Full of sugar, low nutrition preserved plum, glazed fruit （果脯蜜饯） Contain one of three carcinogens, nitrites (aseptic and colorful function) Full of salt, contain antiseptic, preservatives（防腐剂） Pickled food Cause hypertension, load burden to kidney do harm to intestines and stomach Prone to catch ulceration（溃疡） and inflammation（发炎） * * * * * Healthy food ＆ junk food Green tea Prevent various cancers. Such as stomach cancer, esophageal cancer, liver cancer and cutaneous cancer. Prevent heart disease. Using it as mouthwash can prevent teeth from decay Carcinogens One grilled chicken leg equal 60 cigarettes Transforms vitamins (aggravate the burden of kidney, liver)