A, avoid exposure to the sun’s ultraviolet rays, will cause skin peeling, red spots, and even blisters in serious cases. The UVA in the ultraviolet rays will penetrate the glass and penetrate deep into the dermis, destroying collagen and elastic fibers, making the skin age prematurely and even causing skin cancer. In addition to the skin, strong sunlight can also damage the eyes. Without adequate protection, UV rays can damage the lens, retinal macula, cornea and other eye structures. Summer Tips 1. Avoid going out between 10 a.m. and 2 p.m., when UV rays are strongest. 2. When going out, choose appropriate clothing, such as long-sleeved, stand-up collar clothes. Also, wet clothing has less sun protection. Generally speaking, it is enough to use a sunscreen with SPF15 and PA++ for everyday use. 4, it is recommended to go to the regular optical store, choose the quality of qualified and clearly marked with UV-blocking function of sunglasses. Second, avoid water shortage In order to maintain normal physiological functions, each person needs almost 1.5 liters per day. But in a hot environment or after sports labor, a lot of sweating, the daily water needs can increase to 2 liters or more! Summer tips As for what to drink water, the most recommended, is always plain water. Hot summer hydration should be remembered, a small slow drink to relieve the heat. The low temperature will not cause arthritis, but if there is arthritis, too low a temperature does make the joints feel painful and uncomfortable. Therefore, it is recommended to set the air conditioning temperature at about 26-27℃, and it is better not to blow cold air directly to the air conditioner. As for cold drinks, cancer patients are especially careful not to eat them. You can boil green bean soup and other foods rich in minerals and vitamins to prevent heat stroke. When the day is hot, people become more lazy and stay in the cool room and don’t want to get up when they are sitting. Sitting is harmful and can easily lead to swollen legs and feet, thrombosis of the lower limbs and accelerated crest aging. It is best to get up and move around every half hour, especially to avoid sitting for more than 90 minutes. Summer Tips Change a small volume cup to drink water, the water is finished, you will get up to get water. This not only moves the muscles and bones, but also can drink more water, killing two birds with one stone. In the early morning before the sun rises or the night when the heat dissipates, you can go out for a walk to exercise. Five, avoid leftovers three days, high temperatures, appetite, easy leftovers. And high temperature, bacteria reproduce quickly, leftovers are easy to bad. Eat the leftovers, cover the plastic wrap, as soon as possible in the refrigerator. Even if you put it in the refrigerator, it is best to eat it all within a day. Whether the leftovers are meat or vegetarian dishes, remember to heat them thoroughly before eating them after taking them out of the refrigerator. Summer Tips Try not to have leftover vegetarian and cold vegetables. Vegetables are more likely to produce nitrites than meat and are also susceptible to bacterial contamination. The best way is still, eat as much as you can do, in the summer, do not leftover vegetables. Warm tips: three days of volcanoes, heat stroke also entered the high incidence period. In many people’s impression, working in the hot sun is easy to heatstroke. In fact, in a high temperature and poorly ventilated environment, the human body is most susceptible to heatstroke, and frequent shuttle in a high-temperature environment and low-temperature air-conditioned places, more likely to suffer from heatstroke and cold. If you have heatstroke, heat and humidity cold, you should go to a regular hospital in time to seek medical attention.