1, watermelon. It can be called "the king of midsummer", it is cool and thirst-quenching, sweet and juicy, and it is a good fruit in midsummer. The water content of watermelon is as high as 95%. Watermelon is undoubtedly the best fruit to replenish water in summer when you sweat a lot. Watermelon contains a lot of monosaccharides such as glucose, which is very helpful for the recovery of fatigue. Watermelon also contains a lot of carotene, which can be converted into vitamin A in the body. Watermelon also helps diuresis, and the lycopene in melon is about 3-6 times more than that in tomato, which has the effect of preventing cancer.

2. Blueberries. Blueberry is one of the "super foods" because it has obvious anti-cancer, anti-aging and weight-loss effects. Blueberry fruit is rich in anthocyanins, which has a good maintenance effect on human eyes. It can relieve eye fatigue and improve people's vision. In addition, blueberry fruit is rich in nutrition, which has the functions of preventing brain aging, strengthening heart, resisting cancer, softening blood vessels and enhancing human immunity.

3. Lemon. A lemon can meet people's daily vitamin C requirements. Citrus flavonoids contained in lemon can inhibit the growth of cancer cells. Put a slice of lemon when drinking green tea, and the absorption rate of antioxidants can be increased by 80%.

4. Dark chocolate. 7 grams of chocolate a day can lower blood pressure. Cocoa powder contained in chocolate is rich in flavonoid antioxidants, which can reduce "bad" cholesterol and increase "good" cholesterol.

5. broccoli. A medium-sized broccoli can meet people's daily needs for vitamin K and vitamin C, and it also has cancer prevention and health care functions.

6. beans Eating a mixture of soybeans, peas and lentils four times a week can reduce the risk of heart disease by 22% and reduce the risk of breast cancer.

7. Sweet potato. A sweet potato contains about 60 micrograms of folic acid. But also contains resistant starch, which can accelerate fat metabolism.