In the summer, the temperature is higher day by day, and each family starts to put on mats and air-conditioners to cool themselves. However, summer comes with moisture and heat, so be sure to pay attention to the following details in the summer!

First, the air conditioner opens in a cold wind

Too much air conditioning can create noise and affect people's nerve function. In addition, the use of indoor air circulation, after repeated filtration, the negative ions in the air significantly reduced and excessive cations, not only affect the cleanliness of the air, but also affect the normal physiological activities of the human body.

Often stay in air-conditioned rooms, people are particularly vulnerable to fatigue, dizziness, and even reduce the body's immunity, which is the so-called "air conditioning disease." Therefore, although summer is hot, everyone must pay attention to the time of air-conditioning, the use of time should not be too long, it is best not to blow air-conditioning to sleep at night. And indoor temperature should not be adjusted too low or too high, so as not to differ from the outside temperature.

Second, the electric fan blows directly to the human body

Compared with air conditioners, the danger of electric fans is much less, but there is a problem we must not ignore, that is, the blower fan must not be directly against the person blowing, it is best to turn the fan, or change the position from time to time, so as to avoid partial cold Long. And don't sleep with an electric fan. When you sweat a lot, do not sit still and blew. In addition, old and frail, children and prolonged illness, cold, arthritis patients, try not to use electric fans.

Three: cold water cool foot cool

When the heat wave hit people in the summer, some people wearing light sandals and slippers like to rinse their feet with cold water. After rushing, they feel consciously cool. They often do not know how to do this regularly, which is detrimental to health.

Medical studies have confirmed that human feet are the distal ends of blood vessel branches; the fat layer of the feet is thin and has poor heat preservation; the skin temperature of the sole is the lowest part of the whole body and is extremely vulnerable to cold. If you often use cold water to punch your feet in the summer, you may experience coldness in your feet and then cause a series of complex pathological reactions through the blood vessels to cause various diseases. In addition, because the sweat glands on the soles of the feet are more developed, suddenly flushing the feet with cool water will cause the pores to suddenly close and block. If the time is long, it will cause the sweating dysfunction.

Four: bulimia and frozen watermelon

Summer is hot, people love to cut open the watermelon into the refrigerator and eat it after freezing. However, the watermelon must be eaten as soon as possible, because the cut watermelon after refrigeration, the surface of the melon quail formed a film, cold air absorbed by the melon. When eating, salivary glands, tongue taste nerves, and periodontal nerves in the oral cavity are paralyzed by cold stimulation, and it is difficult to taste the sweet taste of the watermelon, and it also hurts the spleen and stomach and causes laryngopharyngitis.

Five, sweat after dripping cold shower

After sweating in summer, you can't immediately take a cold shower because summer temperatures are high, and body heat production during exercise increases. Through sweat evaporation and skin vasodilation are important ways to dissipate heat. At the end of the exercise, the body is still in a state of intense metabolism, increased heat production, and skin vasodilation. At this time, if the cold bath is taken immediately, the skin is stimulated by cold water, and the skin vasoconstriction is caused by nerve reflex. As a result, the sweat can be blocked. However, it will be difficult to dissipate heat and increase body temperature. Therefore, Xia Lian should drink some salt water after sweating, then take a rest for about 1 hour, and then prepare for some activities and then take a cold shower. If conditions permit, it is best to take a warm bath.

Six, sick swim

Swimming is a popular activity for many people in summer, but swimming is not for everyone. In patients with severe hypertension, the blood pressure after treatment is still above 23.4/14.3 kPa. The subjective symptoms are heavier and there may be cerebrovascular accidents. In the near future, there are episodes of angina pectoris, coronary heart disease patients who feel chest discomfort when exercising slightly, and heart valves. Disease and heart failure patients with possible heart failure; mental patients and epilepsy patients. These people are absolutely forbidden to swim in the water to prevent accidents in the water.

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