what are the risk factors that can lead to developing bowel cancer?
['Diet. It is very difficult to research the link between diet and cancer. ... ', 'Being overweight and obese. Obesity is a cause of bowel cancer. ... ', 'Physical activity. ... ', 'Smoking tobacco. ... ', 'Alcohol. ... ', 'Age. ... ', 'Family history. ... ', "Ulcerative colitis and Crohn's disease."]