Summer weather is hot, many friends do not like to take a hot bath, more friends choose a cold bath. Is it better to take a hot bath or a cold bath in summer? Please take a look with sihai.com and check the advantages and disadvantages of the three bathing methods.
Hot water bath -- eliminate body fatigue
Case: the Japanese call hot baths "soup baths", also called "bubble baths", and they often "bubble" together. In the bath, the 40 ℃ water behind you is poured into the stone trough, and the exhaustion of your body and mind disappears.
Comments: fatigue is related to the concentration of lactic acid in human blood. Warm water bath can accelerate metabolism, improve the speed of decomposing lactic acid and eliminate fatigue. Taking a bath for 20 minutes is equivalent to jogging 500 meters. Therefore, taking a bath also has the effect of fitness.
However, the temperature of warm water bath is not the higher the better, otherwise excessive sweating will easily lead to collapse, so the water temperature should be controlled at about 38 ℃.
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Cold water bath - enhance cold resistance
Case study: Mr. Xu Teli, Mao Zedong's teacher, has lived a long life of 92 years. Among them, the cold water bath is indispensable, which is called 'the battle of revolutionaries'. After getting up, Xu first wiped his head with cold water, then his neck, chest and back until his skin turned red and hot. No matter in spring, summer, autumn or winter, it never changes.
Comments: cold water bath can improve the cold resistance of human body, exercise the elasticity of blood vessels, it is a 'vascular gymnastics'. It needs to be reminded that there is an adaptation process for cold bath. If you take a hot bath all the time and suddenly take a cold bath, you will get sick instead of being helpful.
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Hot and cold water bath -- keep blood vessels elastic
Case study: Mr. Ma Yinchu is a famous demographer, educationist and economist in China. He was the former honorary president of Peking University and also a 101 year old longevity star. In the early years, I was weak when I was studying in the United States. Later, I had the honor to meet a 93 year old doctor who was still very young. The doctor told him the secret of his health: hot and cold bath. First, take a hot bath for a quarter of an hour to make the meridians clear, then dry your body, rest for a few minutes, and then take a quick cold bath for a few minutes. Since the application of this exercise method, Ma Yinchu has been very healthy, even with very little cold.
Comments: hot and cold water bath can make blood vessels relax, expand and shrink with heat, keep blood vessels elastic, which is good for maintaining normal blood pressure and preventing cardiovascular disease.