How much does smoking increase risk of colon cancer?
We observed approximately a 50% increase in colon cancer risk from smoking over a pack of cigarettes per day among both men and women. Those who stopped smoking remained at increased risk, even if they stopped over 10 years ago.
When you smoke, you are increasing your risk for colon cancer. Inhaling chemicals and toxins into your body invites free radicals to damage DNA and mutate healthy cells. Free radicals can cause the development of precancerous polyps in the large intestine, which can become cancerous and eventually cause colon cancer.
What does smoking do to your colon?
Smoking contributes to many common disorders of the digestive system, such as heartburn and gastroesophageal reflux disease (GERD), peptic ulcers, and some liver diseases. Smoking increases the risk of Crohn’s disease, colon polyps, and pancreatitis, and it may increase the risk of gallstones.
What type of cancer can be caused by smoking?
Smoking causes cancers of the lung, esophagus, larynx, mouth, throat, kidney, bladder, liver, pancreas, stomach, cervix, colon, and rectum, as well as acute myeloid leukemia (1–3).
Who gets colon cancer the most?
Age. The risk of colorectal cancer increases as people get older. Colorectal cancer can occur in young adults and teenagers, but the majority of colorectal cancers occur in people older than 50. For colon cancer, the average age at the time of diagnosis for men is 68 and for women is 72.
What happens to your digestive system when you quit smoking?
If you quit smoking, the gut microbiome will return to a more healthy, balanced state which will impact your overall health. Smoking can cause stomach ulcers and polyps – smokers are at higher risk of developing stomach ulcers, which can cause internal bleeding. They may also be more prone to polyps in the colon.