XENOBIOTIC METABOLIZING GENE POLYMORPHISMS AND SUSCEPTIBILITY TO HEAD AND NECK CANCER

Cancer is a term used to describe diseases in which abnormal cells divide without control and are able to invade different tissues. Cancer cells can spread to various parts of the body through the blood and lymph systems. There are more than 100 different kinds of cancers. Cancers are often named for the organ or type of cell in which they start - for example colon cancer means cancer in the colon. Different Cancers can be grouped into broader categories.