In summer, the summer heat is always hard to bear. Many people hide in the air conditioning to avoid the temperature, mad eating cold drinks, eating frozen watermelon ... ... is such an extreme behavior, inadvertently burying hidden dangers to physical health. The summer heat is also stressful and cannot be taken lightly. The following Xiao Bian will teach you that it is not appropriate to cool down in the summer. Inadequate lack of siesta Summer nights are long and short, high temperatures, people's metabolism is strong, consumption is also large, easy to fatigue. Coupled with nighttime heat, sleep is not stable, resulting in insufficient sleep. Therefore, sleeping for one or two hours at noon is a great benefit to health. It is also a good measure to prevent heat stroke by allowing the various systems of the body to rest. Thirsty should not drink too much Summer sweating, some people suddenly drink a lot of water, will increase the burden on the heart, so that the blood concentration, and even may appear flustered, shortness of breath, sweating and other phenomena, thirsty should drink a small amount of water, stop for a while to drink. Should not sleep at night In the midsummer, the sweat glands on the body continue to secrete sweat to release the body's heat. After sleeping, the body is in a relaxed state, and the resistance temporarily drops. At this time, if it is at night, the temperature drops, and then the cold wind hits, and the dew increases. It can easily lead to headache, abdominal pain, joint discomfort, and indigestion and diarrhea. Night sleep is also easy to be bitten by mosquitoes, and may be contagious, such as brain inflammation. Should not use beverage instead of boiled water Drinks such as soda, juice, and cola contain more saccharin and electrolytes. These substances can cause bad stimulation to the stomach, affect digestion and appetite, such as drinking in large quantities, it will also increase the burden of kidney filtration, and affect the renal function. And excessive intake of sugar will increase body heat and make people fat. Therefore, the summer should not drink more drinks, it is best to drink boiled water, especially children and the elderly, should drink less drink more water. Should not eat cold food In the hot summer, if the gastrointestinal tract is stimulated by a large number of cold foods, it will accelerate the peristalsis, shorten the food's residence time in the small intestine, and affect the body's absorption of food nutrition. At the same time, due to the high summer temperatures, the body's heat is not easy to disperse, and the temperature in the gastrointestinal tract is also high. If it is suddenly stimulated by cold, it can cause gastrointestinal spasm and cause abdominal pain. The fan should not be blown too long If the fan is blown for too long, it will destroy the equilibrium state of sweating, causing people to feel headache, dizziness, weak leg, general discomfort, and severe cases may also induce other diseases. On a summer night with a fan sleeping, it is easier to catch cold. Especially elderly people and children should pay more attention. Air conditioning should not be too big Air conditioning can bring a comfortable environment. However, if the temperature difference between indoor and outdoor is too large, it is difficult to adapt to indoor and outdoor temperature changes and it is easy to "cold" and "cold", and if the temperature difference between indoor and outdoor is too large, do not pay attention to indoor ventilation, will make indoor air turbidity, resulting in various Pathogenic microorganisms breed. If the body's resistance is reduced, it is easy to get sick. Therefore, it is not easy to use air-conditioning temperature difference in summer, and it is better to be between 5-8 degrees. The maximum can not exceed 10 degrees. Not "fast cooling" In summer, people return home to get rid of sweat and heat quickly. They often like to “quickly cool†with a cold shower. However, because people absorb a lot of heat in the sun, they “quickly cool†and quickly close the pores of the body, so that the heat cannot be closed. Dissipated and stagnated in the body, causing high fever, but also due to the rapid contraction of brain capillaries caused by insufficient blood supply, people dizzy, severe cases can also cause shock; and this time the body resistance is reduced, the cold will "cool in and into ". Therefore, the best way is to dry your body's sweat or dry it before it sweats. Not suitable for sitting As the saying goes: "Winter does not sit stone, summer does not sit wood." Summer temperatures are high and humidity is high. Wood, especially wood, chairs and stools that are kept in the open air for a long time, is exposed to rain and moisture, and contains more moisture. When the sun shines and the temperature rises, it will send out damp heat, making people easy to move. Suffering from skin diseases, rheumatism and arthritis. Do not wear dark or shallow sunglasses Sunglasses can prevent ultraviolet rays from damaging the eyes. However, if the lenses are too dark, they can affect vision due to unclear vision. If the lenses are too light, ultraviolet rays can still damage the eyes through the lenses. Therefore, the summer selection of sunglasses should allow visible light between 15% and 30% to pass through the gray or green lens, not only against ultraviolet light, but also the best visual clarity, with minimal change in the color of perspective objects.
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