Others grow slowly and spread late, or not at all. We know the causes of some cancers but not of others. We can cure some cancers but not others. If you avoid the exposure, you can avoid cancer. Most cancers are caused by everyday lifestyle things, such as sun exposure or smoking.
Tobacco use is the leading cause of cancer in Alberta and the Northwest Territories.
It accounts for about 30 percent of all fatal cancers. It causes at least eight out of every ten cases of lung cancer, and is a significant cause of cancer of the larynx, lip, tongue, esophagus, pancreas, and bladder. Lifestyle choices account for many cancers. A diet that is high in fat and calories, and low in fruits and vegetables may increase the risk of bowel, breast, and prostate cancers. Contrary to what many people believe, today's food additives are not likely to cause cancer.