Homesmoking Smoking and the digestive system.. Stomach ulcers and colon cancer. Colon spasm publisher :NIL NAM -December 21, 2015 Certainly also cause stomach ulcers and colon cancer in smokers, smoking also exacerbates the symptoms of colon spasm. Labels smoking Facebook Twitter Share:Smoking and the digestive system.. Stomach ulcers and colon cancer. Colon spasm Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email