Diet is very important for all of us. As a result, this article will introduce four kinds of healthy food, which have a lot of benefits to our health.

First, berries
According to the U.S. Department of Agriculture, it is shown that blueberry is the fruits which contains the highest content of antioxidants. The second is cranberry, followed by blackberry and strawberry. The color of the blackberry comes from the pigment contained in anthocyanins. Antioxidants can neutralize the harmful free radicals in human body. This kind of free radicals can lead to chronic diseases, such as cancer, heart disease, and so on. Berries, especially cranberry can even prevent the infection caused by urinary catheter. As a result, eating some amount of berries every day is very beneficial to the health of human body.

Second, dairy products
Dairy products can not only provide a lot of calcium to human body, but also contains plenty of protein, vitamins (including vitamin D) and minerals. All of these nutrients play an important role in preventing osteoporosis. The nutritional experts suggest that people should take in three kinds of low-fat dairy products every day. Besides the effect of strengthening bones, dairy products can also help you lose weight. Low-fat dairy products are the best snack, because they not only contain carbohydrates, but also contain great amounts of protein. More importantly, they contain little calorie. Research shows that eating some dairy products every day can reduce the fat in your body, so as to achieve the effect in weight loss.

Third, fish
Fish contains large amounts of Omega-3 fatty acids. This kind of fatty acids not only can resist against diseases and help reduce the amount of blood fat, but also can prevent the blood clots related with heart disease. At the same time, eating fish can also reduce the occurrence of cardiovascular disease. As a result, the American Heart Association suggests that people should eat fish at least twice a week.

Fourth, beans
Beans contain a large number of plant chemical substances and high quality protein. At the same time, they also contain folic acid, cellulose, iron, magnesium, and a small amount of calcium. Beans are the best food source of protein, and they are also the best choice for those who want to lose weight, because beans contain little calorie. In addition, eating some beans regularly can help reduce the risk of certain cancers, and reduce the level of cholesterol and triglyceride in blood, so as to stabilize blood sugar.