Health Tips : What is Cancer ?

Cancer is an abnormal growth of cells which tend to proliferate in an uncontrolled way and in some cases to metastasize. Cancer is not one disease. It is a group of more than 100 different and distinctive diseases.Cancer can involve any tissues of the body and have many different forms in each body area . Most cancers are named for the type of cell or organ in which they start. If a cancer spreads the new tumor bears the same name as the original tumor.