Smoking increases the risk of duodenal ulcers, Crohn's Disease, and colon polyps. American Council on Science and Health. Women who quit smoking may dramatically reduce their risk of cervical cancer. Effect of smoking cessation on cervical lesion size. Relation of breast cancer with passive and active exposure to tobacco smoke.
Smoking increases the chance of developing colorectal, bladder, kidney, and pancreatic cancers.
American Council on Science and Health. Smoking increases the chance of impotence in males. American Council on Science and Health. Smoking impairs sperm motility and normal development, increasing chances of infertility, miscarriage and birth defects. American Council on Science and Health.