They can also be caused by less serious conditions. Only a doctor can make a diagnosis. It is important to see a doctor if you have any of these symptoms. Some cancer risk factors can be reduced by modifying your lifestyle. Because these changes cannot eliminate all risk of developing cancer, prevention also includes routine screening for common cancers and regular visits to your physician.
Smoking is responsible for about one-third of all cancer deaths.
The more and longer you smoke, the greater your risk. Chewing tobacco can also cause oral cancer. Eat a diet made up mostly of plant-derived foods. This recommendation includes five or more servings of fruits and vegetables each day as well as whole-grain breads, cereals, rice, pasta and beans. Beans are a good source of protein and an alternative to meat.