text: Risk factors in the development of<unk><unk>  may be environmental, genetic, and lifestyle behaviors. The most potent risk factor in the development of<unk><unk>  is age. Other risk factors include family history, obesity, cigarette smoking, and alcohol consumption.
option_0: Colon polyps risk factors
option_1: Ulcerative colitis risk factors
option_2: Stomatitis risk factors
option_3: Anal fissure risk factors
option_4: Carcinoid syndrome risk factors
option_5: Crohn's disease risk factors
option_6: Peptic ulcer risk factors
option_7: Pancreatic cancer risk factors