In the face of hot summer days, many people like to hide in the air-conditioned room and occasionally go out for a trip. When they come back, they also like to take a cold shower and let the body cool down quickly. In fact, this approach is not desirable. Experts believe that the head is prone to sweating after exercise or labor in the hot season. At this time, blood vessels dilate. If flushed with cold water, it may cause abnormal intracranial vascular function. There will be dizziness, dark eyes, and vomiting when the attack occurs. May cause severe intracranial hemorrhage. The temperature in the summer is close to the temperature of the human body, and the body's heat dissipation method is mainly evaporation of sweat. It is better to use heat to remove heat.
Drinking hot tea: Du Huizheng, director of nutrition department of Qianfoshan Hospital in Shandong Province, said that caffeine, theobromine, theophylline and aromatic substances dissolved in hot tea can stimulate the brain nerves, which is conducive to regulating the body temperature center and can dilate the heart and diuretic. , promote blood circulation, increase blood flow to the kidneys, speed up metabolism, so that excess heat in the body excreted with the urine. Drinking hot tea can promote blood flow to the body surface, sweat holes open, sweat glands relax, promote sweat discharge, emit heat. The sunstroke prone to heat stroke. Tea polyphenols, vitamin C, ester polysaccharides and other components have the functions of protecting cardiovascular health, lowering cholesterol and blood lipids, protecting hematopoietic function, increasing white blood cells, and enhancing disease resistance. Drinking tea is very beneficial to the prevention of heatstroke.
Hot feet: This should be true for the elderly and the weak. Use hot water to wash your feet before going to bed every night. The temperature of your feet is higher than your body temperature. If you insist on washing your feet with warm water every day, you can also play a role in adjusting blood, eliminating fatigue, increasing appetite, and promoting blood circulation. There are certain treatments for insomnia, neurasthenia, joint pain, indigestion, low back pain, stomach pain and other diseases. And prevention. In folk songs, "hot water foot bath, victory over tonic medicine" is also this reason. People soaked in warm water, the pores will soon open, the body's heat can be released, through repeated soaking, you can completely eliminate the body's hot, a permanent cure. Experts also recommend strengthening heat-resistant exercises. Heat-resistant exercises can increase body temperature regulation and increase heat-adaptability. They not only enhance physical fitness, but also effectively prevent heat stroke and other fevers from occurring.
Sweating: With heat and heat, sweat is a good way to cool. The human body is distributed with about 3 million sweat glands. The discharge of sweat has the effect of regulating body temperature, and it also discharges part of the metabolic waste. Nowadays, the popularity of air conditioners makes sweat glands almost idle, even if it is the season of sweating - not often sweating in summer, which is harmful to health and unprofitable. According to the academic opinion of Zhang Zihe, an ancient famous doctor in China, the poison inside was discharged, the evil was eliminated, and the disease was self-healing. If the sweat glands are poor, they lose an important detoxification pipeline and lose an important line of defense against the disease. From the law of the four seasons and the laws of life, sweating occurs when sweating.
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