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A sedentary lifestyle, such as watching TV, may increase the risk of rectal colorectal cancer in women under 50, according to a study.
According to NBC News (www.nbcnews.com), a team of cancer epidemiologists from the University of Washington's medical school, Dr. Inchao, said that sitting on the floor could increase the risk of colon cancer in young women. . The results of the study were published in the latest issue of JNCI Cancer Spectrum.
The roots of this research go back to 1991.
The researchers followed the lifestyle and medical data of 89,278 nurses aged 22 to 42 at that time and identified 118 patients who had developed rectal or colon cancer at an early age.
Taking television as an example, the risk of cancer of the rectum and colon increased by 12% every day for 1 hour and by 70% for 2 hours or more.
The term "early onset" of cancer means the onset of cancer at age 50 or younger, and it is known that detection is slower and that the prognosis is worse than the cancer of older ages.
When these 118 patients were subdivided, rectal cancer was more common than colon cancer.
Dr. Chao, lead author of the report, said, "Staying at home without exercise is a risk factor (liver cancer) that is easy to forget," he said. The research will help. "
The proportionate relationship between television viewing time and cancer risk was independent of the amount of exercise exercised by the person or the value of the body mbad index (BMI).
But it's unclear if other forms of "sitting down to hang out," like eating at home or sitting at a desk, increase the risk of developing cancer, Chao added.
Research has shown that the incidence of obesity-related cancers is increasing in those under 50 years of age.
However, the report pointed out that it was the first time that one demonstrated a specific behavior, such as watching TV, and that there was a correlation with the risk of a cancer specific.
Of course, this study is not without problems. One of the limitations is that only women are seen, with the exception of men.
"It's hard to see that watching TV triggers cancer directly because of any badociation," said Dr. Raheske Swany, medical director of the Northwestern Medicine Digestive Health Center. There is a feeling to remind us that we must do it. "
According to the American Cancer Society (ACS), rectal cancer and colon cancer are the third most common cancer in Americans and the second leading cause of cancer death. In the United States, last year, more than 100,000 people were diagnosed with colon cancer and 45,000 people were diagnosed with rectal cancer.
Americans have a 4.49% chance of getting stomach cancer or colon cancer all the time, far more than women (4.15%).
The US Preventative Services Task Force, a US federal advisory body, advises Americans aged 50 to 75 who have no specific risk factors to be screened for rectal and colorectal cancer every five years. .
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