1, the cervical spine is most afraid to blow the cervical spine against the air conditioning, the surrounding soft tissues will produce lesions, the formation of chronic inflammation of the muscles and subcutaneous tissues, resulting in sustained neck spasm, back pain and other consequences. Suggestions: Do not lower the indoor air conditioning temperature below 25 degrees Celsius, and do not direct the back of the shoulder to the air conditioner. If the temperature can not be self-regulation, you can put a shawl on your shoulders and take a hot bath at night. 2, drink water most afraid of fast As the temperature is high, the body will also accelerate the speed of dehydration, many people are used to gulp water. If you drink water too fast, water will quickly enter the blood, absorbed in the intestines, so that the blood becomes thin, blood volume increases, the heart is not good, especially those suffering from coronary heart disease will appear chest tightness, shortness of breath and other symptoms, serious may lead to myocardial infarction. Suggestions: summer water can not drink too fast, a small number of times. Each time only drink 100-150 ml, the body absorbed better; more can not be greedy cool, more than 10 degrees of warm water is 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, the eyes like cool fear of heat, do not pay attention to sun protection, it is easy to premature aging, and caused by various types of eye disease. Suggestions: If you want to go out at 10 am to 4 pm, it is best to wear sunglasses, hats. Sunglasses color to teal, light green anti-UV effect is best; can eat more eye food, such as cinnamon, yam, carrots, dates, etc.; summer bacteria multiply quickly, try to rub your eyes with your hands. Wash your face with running water to reduce eye diseases. 4, the most afraid of morning exercise early summer dawn, many people are used to early to the park to go to the morning exercise. But the most air pollutants in the summer, generally before 6:00 a.m. has not been completely dispersed. In addition, before sunrise, because there is no photosynthesis, green plants near not only not too much fresh oxygen, but on the contrary, a large amount of carbon dioxide accumulation, which is not good for health. Suggestion: summer morning exercise time is appropriate after 6:00. 5, the home is most afraid of ash Summer sweltering heat, high humidity, making it easier for dust to adhere to the air, into the human skin and body. Because it is difficult to detect with the naked eye, people are often negligent in cleaning, they float in the air for a long time, and a lot of attached to the surface of the items, becoming the habitat of dust mites and mold spores in the air. These dirty things will take advantage of the opportunity to enter the respiratory system, which will lead to asthma, rhinitis and many other diseases. Suggestions: summer should increase the number of cleaning, two or three days to clean once. 6, gastrointestinal most afraid of cold Summer is the high incidence of intestinal diseases. Every hot summer, many people will have a bad appetite, digestive function is reduced, and prone to fatigue and tiredness, gastrointestinal discomfort and other symptoms, some people are also prone to gastrointestinal diseases. Suggestions: eat less cold things in summer, especially in the morning when you wake up and at night before going to bed. In order to keep the “stomach and intestines” warm in time, eat cold food, you may want to add some ginger or mustard, can warm the stomach, sterilization.