Walking helps to prevent liver cancer

Researchers at Newcastle University have found that aerobic exercise in mice reduces inflammation in the liver that develops with age, reversing its damage and preventing tumors. The study is published in The Journal of Inflammation.

As our bodies age, they begin to lose control of its immune system, which can lead to abnormally high levels of inflammation. And when high levels persist for a long period of time, it can cause tissue damage, which in turn can lead to the development of cancer. Experts decided to test whether low-intensity exercise could help to reverse immune changes and reduce the risk of liver tumors.

The team conducted experiments on old mice with chronic inflammation. The animals were divided into two groups: the first performed treadmill exercise for 30 minutes three times a week, while the second led a sedentary lifestyle.

The results showed that light exercise reduced inflammation in the liver and improved metabolism in older mice and even in animals with advanced disease, compared with their sedentary counterparts. In addition to reducing the risk of developing liver tumors, the researchers found that mice that were exercised had less liver fat and fewer damaged telomeres. In addition, animals that exercised remained physically active with age, which is an indicator of good overall health, while the physical activity of sedentary mice decreased markedly.

The authors concluded that regular low-intensity aerobic exercise prevents general health deterioration and promotes well-being, and also protects against tumors developing in the liver.

Feb. 18, 2021, 10:30 a.m.

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