Researchers suggest that cigarettes increase the odds for developing colon cancer, especially for women. Women who've ever smoked have an almost 20 percent increased risk for colon cancer, compared with women who never smoked, according to the new study, published April 30 in Cancer Epidemiology, Biomarkers & Prevention.
Women who smoke even 10 or fewer cigarettes a day increase their risks for colon cancer. Colon cancer is one of the common diseases, even a moderate smoking account for many new cases.
The study involved data on more than 600,000 men and women, aged 19 to 67, surveyed by the Norwegian Institute of Public Health. Participants answered questions about their smoking habits, physical activity and other lifestyle factors.
Over 14 years of follow-up nearly 4,000 people developed colon cancer, and the odds were greatest for smokers, women in particular. The risk for colon cancer increased 19 percent among women who smoked and 8 percent for men who smoked, according to Gram's team.
The more years a woman smoked, the earlier she started smoking, and the more packs of cigarettes smoked a year, the greater her risk of developing colon cancer. Women who smoked for 40 years or more increased their risk for colon cancer almost 50 percent, the researchers said.
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