People who don’t have a fever all year round are more likely to get cancer?
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People who don’t have a fever all year round are more likely to get cancer?
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People who don’t have a fever all year round are more likely to get cancer?
According to many accounts: People who often get some minor illnesses will be more resistant to serious illnesses. Some people therefore think that people who often don’t have a fever are more likely to get cancer. Is this scientifically justified?
1. Why do people have a fever?
In the epidemic environment, measuring body temperature once or even three times a day is “commonplace”. If you pay attention to the data, you will find that your body temperature does not fluctuate too much.
It may rise after meals, exercise, etc., but it will not exceed the normal range (fluctuates between 36.0-37.0°C).
So what degree of body temperature does it count as a fever?
It is generally believed that when 37.5°C is reached or exceeded, it is called fever.
- 37.5-38.0℃ is low heat;
- 38.1-38.9℃ is moderate fever;
- 39.0-40.9℃ is high heat;
- If the temperature exceeds 41.0℃, it is called ultra-high fever. Ultra-high fever is more dangerous and requires immediate medical attention.
The reason why a person can maintain a constant temperature is due to the body’s own balance system for heat production and heat dissipation. Imagine our brain is a smart chip, set the temperature to 36 ℃, the body will remain stable. When a bug attack is encountered, the program will be disordered and the temperature control system will fail.
Common viral bugs such as viruses, bacteria, mycoplasma, and parasites can cause our body temperature to rise; in addition, non-infectious bugs, such as dehydration, rheumatic immune system, and tumor diseases, can also cause our constant temperature system to malfunction.
2. Is it normal to not have a fever all year round? Will it be easy to get cancer?
People often say in life: People who don’t have a fever will fall ill all their lives. Regarding this point, there is no authority to verify and answer. The human body can not have a fever for a long time. From the perspective of the human body’s immune defense system, as long as the immune system is strong enough and bacteria and pathogens are not easy to invade, the disease resistance is naturally “invincible.”
For those who don’t have a fever all year round, a fever is cancer? Is there any scientific reason? The absence of fever only means that the body’s immune defense system has not been activated. It is nonsense to say that people who do not have a fever are prone to cancer.
3. New discovery by German scientists: fever may fight cancer
Recently, the research team of Professor Erika L. Pearce from the Max Planck Institute of Immunobiology and Epigenetics in Germany conducted a cell experiment.
The research team found that the increase in body temperature is beneficial to optimize the metabolic activity and function of CD8+ T cells, enhance the translation efficiency of mitochondrial proteins, and effectively resist the invasion of cancer cells.
They concluded that fever may be related to the early activation of T cells that secrete large amounts of cytokines and cytotoxic molecules.
Researchers injected mice with T cells stimulated at 39°C and found that the survival rate of leukemia mice was significantly improved, further verifying that fever is beneficial to enhance the immunity of the host.
The conclusion of this experiment has been published on “PNAS”, but the experiment is currently limited to simulating humans and mice in vitro. Whether it has the same effect on humans is still unknown. More evidence is needed to show that human fever can have the same effect. .
4. Since cancer cells are afraid of fever, can fever cure cancer?
In fact, scientists have long discovered the weakness of cancer cells that are resistant to heat. Compared with normal cells, cancer cells are more sensitive to high temperatures. Normal cells can survive for an hour at a high temperature of 47°C, and cancer cells only need to be irreversibly damaged in an environment of 43°C.
It seems that it is indeed feasible to suppress cancer cells through high heat, but to kill cancer cells, you have to reach 43°C or higher. When the human body has a fever exceeding 41°C, it is considered to be super fever. In the case of ultra-high fever, the body will show convulsions, which can cause rapid breathing, heart rate, and even respiratory and circulatory failure, liver and kidney damage. Therefore, it is very unrealistic to cure cancer through human fever.
Fever is not the basis for judging cancer. Although studies have shown that when the body is heated, the immune function of some cells will be enhanced, but to fundamentally improve immunity, it is still inseparable from diet and maintaining a good work and rest. Habits and so on. In addition, it is necessary to participate in physical exercise properly to ensure that the body’s immune mechanism is in a healthy defense state.
(source:internet, reference only)
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