Reduce your risk of cancer: Doctor reveals how 40 percent of cancers could be prevented. Find out which preventative measures offer protection in many cases.

Cancer can have various causes. Genes play a role and viral infections can also cause you to develop cancer. The fact that cells degenerate and become malignant can also be due to lifestyle. Obesity is the cause of at least twelve types of cancer, including ovarian, prostate, stomach, mouth and throat, colon, breast, Gallbladder, kidney, esophagus, pancreas and uterine cancer.