Xenobiotic Metabolizing Gene Polymorphisms And Susceptibility To Head And Neck Cancer.
About Book
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.
All cancers begin in cells, the body's basic unit of life. Naturally cells grow, divide in a defined way to produce more cells, become old or damaged, they die and are replaced with new cells.The genetic material (DNA) of a cell can become damaged or changed, causing mutations that affect normal cell growth and division. When this takes place,cells do not die when they should and new cells form when the body does not need them.
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