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Hormones can encourage the growth of some cancers, such as breast and prostate. But, in some cases, they can kill, slow or stop cancer cells from growing. Hormone therapy usually involves taking medications that prevent cancer cells from getting the hormones they need to grow. In some cases, your doctor may surgically remove the gland responsible for hormone production.
Gene therapy is a rapidly growing field of medicine in which genes are introduced into the body to treat diseases. Genes control heredity and provide the basic biological code for determining a cell's specific functions. Gene therapy seeks to provide genes that correct or supplant the disease-controlling functions of cells that are not, in essence, doing their job. Somatic gene therapy introduces therapeutic genes at the tissue or cellular level to treat a specific individual. Germ-line gene therapy inserts genes into reproductive cells or possibly into embryos to correct genetic defects that could be passed on to future generations.