Human body temperature is decreasing, 37 ℃ is no longer the standard? What does that mean?

As we all know, mammals are thermostatic animals. Thermostatic animals have stable metabolic capacity and can move freely under high and low temperatures.

In high temperature weather, the heat can be dissipated by perspiration, and in low temperature weather, the body fat can be consumed to obtain heat. Man is such a mammal.

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It is generally accepted that human body temperature is 37 ° C under normal condition.

Anyone who has used a thermometer can find that there is an obvious mark (usually red) at 37 ° C on the thermometer, which tells us that if you exceed the mark, your body will have problems.

The temperature of 37 ° C is the result of long-term game between human beings and microorganisms, which is most suitable for human survival.

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If the body temperature is higher, it can kill more pathogenic microorganisms, parasites, etc., but it will lead to excessive energy consumption, biochemical reaction disorder, germ cells can not live and other problems.

Once the body temperature exceeds 40 ° C, there will be a big problem, life-threatening. If the baby has a fever and is not taken seriously, the brain may burn out. It’s very scary.

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If the body temperature is lower, people’s immunity will decrease, metabolism will decrease, vitality will be poor, brain can’t work and so on.

But one study has revealed that in the past century, normal human body temperature has been getting lower and lower.

Once the human body temperature was 37 ℃, but after the 19th century, the human body temperature generally declined.

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In 2000, researchers from Stanford University began to measure and record the body temperature, and compared it with that of soldiers who had participated in the civil war before.

It was found that the body temperature of the people decreased from 37.16 ° C to 36.6 ° C.

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Dr. Julie parsonnet, a professor of medicine at Stanford University, said:

“Our body temperature is not the same as people’s cognition,” the normal human body temperature is 98.6 ° f (37 ° C) “, which we have always been wrong

Julie parsonette also said:

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“Physiologically, we are not the same as we were in the past. The environment in which we live has changed, including the indoor temperature, the microbes we come into contact with, and the food we can get. All of this means that, although we don’t think there has been any change in human evolution, we have actually changed. Physiologically, we’re actually changing

Why does the body temperature drop?

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Scientists think it may be related to human diet and lifestyle.

Most of modern human beings are in sub-health state. They are under great pressure every day. They have irregular diet and have no time to exercise.

In addition, the quality of the earth’s atmospheric environment is declining year by year, which leads to the decrease of human immune function, so the body temperature is also reduced.

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Xiao Bian thinks that although the body temperature has only dropped by 0.56 ℃, we still need to pay attention to it.

Because the decline of body temperature will lead to the decline of the body’s immunity. When the body temperature drops by 1 ℃, the body’s immunity will drop by 30%.

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As soon as immunity declines, human beings will be more vulnerable to the attack of virus, disease, and even suffering from cancer. Therefore, if we do not pay attention to it, it will cause irreparable consequences in the future.

What do you think of that? Welcome to comment area.

(pictures of the article are from the Internet)

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