1, the cervical spine is most afraid of blowing the cervical spine against the air conditioning blowing, the surrounding soft tissues will produce lesions, the formation of chronic inflammation of the muscles and subcutaneous tissues, resulting in persistent spasms in the neck, back pain and other consequences. It is recommended that the indoor air conditioning temperature should not be lower than 25 degrees Celsius, shoulder and back do not straight to the air conditioning, if the temperature can not be adjusted on their own, you can take a shawl on the shoulder, and take a hot bath at night. 2, drinking water is most afraid of fast Due to high temperatures, the body’s dehydration rate will also accelerate, many people are used to drinking water in large mouthfuls. If you drink water too fast, the water will quickly enter the bloodstream, be absorbed in the intestines, so that the blood thinner, blood volume increased, which is not good for the heart. Therefore, you should not drink water too fast in summer, but in small amounts and many times. Drink only 100-150 ml each time, the body absorbs better, and can not be greedy for cold, 10 degrees above the warm water is the best for the body. 3, the eyes are most afraid of the sun in the hot sun, the eyes are the most vulnerable organs. Experts remind that the eyes like cool and afraid of heat, do not pay attention to sunscreen, it is easy to premature aging, and cause all kinds of eye diseases. If you want to go out at 10:00 am to 4:00 pm, it is best to wear sunglasses, hats or hit the umbrella, sunglasses color to teal, light green anti-ultraviolet effect is the best. You can eat more eye-healthy food, such as cinnamon, yam, carrots, red dates and so on. Bacteria multiply quickly in summer, try to minimize rubbing your eyes with your hands. Wash your face with running water to reduce eye diseases. 4, morning exercise is most afraid of early summer dawn early, many people go to the park early morning exercise. However, the most air pollutants in the summer, generally 6:00 a.m. before the full diffusion. In addition, before sunrise, because there is no photosynthesis, green plants near the non-excessive fresh oxygen, on the contrary, the accumulation of a large amount of carbon dioxide, is not good for health. Therefore, summer morning exercise time should not be earlier than 6 o’clock. 5, the home is most afraid of gray summer heat, high humidity, making it easier for dust to adhere to the air, into the human skin and body. As the naked eye is difficult to find, people are often negligent to clean up, they float in the air for a long time, and a large number of attached to the surface of the items, become the air dust mites and mold spores habitat. These dirty things will take the opportunity to enter the respiratory system, which in turn triggered asthma, rhinitis and many other diseases. It is recommended that the summer should increase the frequency of cleaning, two or three days to clean once. 6, the stomach and intestines are most afraid of cool summer is the high incidence of intestinal diseases, experts suggest that this season, less eat too cold things, especially in the morning when you get up and at night before going to bed. In order to give the “stomach” in time to keep warm, eat cold food, may wish to add some ginger or mustard, can warm the stomach, sterilization.