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Can exercise really help people prevent cancer?
Can exercise really help people prevent cancer? Do at least 150 minutes of moderate-intensity or 75 minutes of high-intensity physical activity every week. Don’t over-exercise!
But some people say that athletes and fitness coaches also have many cancers. Can exercise really help people prevent cancer?
In 2016, researchers from the American Cancer Center analyzed the data of as many as 1.44 million Europeans and Americans and concluded that exercise can significantly reduce the incidence of 13 cancers.
A research paper published by the authoritative medical journal “BMJ” pointed out that: exercising 3000-4000 METs-min per week can significantly reduce the risk of breast cancer and colorectal cancer.
A study published in the “Cell” magazine confirmed that after regular exercise in mice, the content of NK cells in the body was significantly higher than that of non-exercising mice, and the immunity to tumors also increased.
Exercise helps prevent cancer for several reasons
❤ The heat generated by the muscles during exercise is 10 times or more than that during sedentary time, and the body temperature will also increase at this time. Because cancer cells are less resistant to heat than normal cells, they are more likely to be killed by elevated body temperature.
❤ Breathing rate will increase during exercise, oxygen intake will increase, blood circulation and metabolism will be accelerated, which can promote the excretion of carcinogens from the body.
❤ Exercise makes people happy, can improve people’s mood, and has a resistance to negative emotions such as depression, anxiety and tension.
That being the case, why do athletes still get cancer?
One is that there are many factors that induce cancer, and the other is that only a few athletes have cancer.
In addition, athletes have a very large amount of exercise. High-intensity, high-consumption exercise training can cause greater damage to the body, and the immune function may decrease accordingly. Cancer can take advantage of the deficiency. This is why it is necessary to exercise moderately.
For ordinary people, at least 150 minutes of moderate-intensity or 75 minutes of high-intensity physical activity per week is enough. Do not over-exercise, otherwise it may have counterproductive effects.
(source:internet, reference only)