Smokers are more likely to develop polyps in their bowel than non smokers, and some studies show that smokers have a higher risk of bowel cancer, particularly rectal cancer. So giving up smoking can reduce your risk of bowel cancer.
Source: Protecting against bowel cancer @ Cancer Research UK
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- Preventing bowel cancer @ NHS Choices
Excerpt: If you smoke, giving up will reduce your risk of developing bowel and other cancers.
- Excerpt: Tobacco contains many toxins which have a negative effect on your health and significantly increase your risk of cancer. Long-term smokers are more likely than non-smokers to develop bowel cancer.
Image by Challiyil Eswaramangalath Vipin from Chalakudy, India (cigarette.. like a cigarette in the rain) [CC-BY-SA-2.0], via Wikimedia Commons