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.
- 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.