1. Apples, apples taste sweet and sour, which can relieve summer heat and whet your appetite. Apples also contain many substances that can lower blood pressure, lower blood lipids, inhibit platelet aggregation, prevent arteriosclerosis, and reduce the tendency of blood vessel embolism. They can also prevent heart failure caused by myocardial ischemia and hypoxia, soften blood vessels, and soften blood vessels. smooth.

2. Banana, banana has a sweet taste and has the functions of cleansing the intestines, anti-inflammatory, and lowering blood pressure. It can prevent cholesterol deposition in the human body, effectively lower blood pressure and blood lipids, and keep arteries open.

3. Citrus, citrus is rich in vitamin C and vitamin P, has a sweet and sour taste, can whet the appetite, promote body fluids and quench thirst, and can also lower blood pressure, blood lipids, and prevent cholesterol deposition in the body. It also has a very good protective effect on the cardiovascular system.

4. Hawthorn: Hawthorn contains triterpenes, bioflavonoids and rich vitamin C, which can expand blood vessel walls, lower cholesterol and triglycerides, and lower blood pressure. In addition, it also contains maslinic acid and citric acid, both of which have significant blood-lipid-lowering effects. However, some elderly people may cause gastric discomfort such as acid reflux when eating hawthorn, so they must be used with caution.

5. Lychee. Lychee meat is rich in vitamin C and protein, which helps to enhance the body's immune function and improve disease resistance. Lychee is rich in vitamins, which can promote blood circulation in microvessels, lower cholesterol, triglycerides, and blood pressure.