Ognyanova, K., Lazer, D., Robertson, R
1993), although neither the directionality of the association nor its gender-specific effect is completely understood
Miao J, Liu J, Niu J, Zhang Y, Shen W, Luo C, et al
REASONS FOR COLONOSCOPY The most common reasons for colonoscopy are: To screen for colon polyps (growths of tissue in the colon) or colon cancer Rectal bleeding A change in bowel habits, like persistent diarrhea Iron deficiency anemia (a decrease in blood count due to loss of iron)A family history of colon cancer A personal history of colon polyps or colon cancer Chronic, unexplained abdominal or rectal pain An abnormal x-ray exam, like a barium enema or CT scan GETTING READY FOR COLONOSCOPY Preparation: Before colonoscopy, your colon must be completely cleaned out so that the doctor can see any abnormal areas