UNDERSTANDING CANCER

cancer is a collection of related diseases that can occur almost anywhere in the body and is characterized by abnormal cell process involving uncontrolled cell growth and proliferation that alters normal cell behaviour. there are over 100 types of cancers, and in all types, cancer is caused when certain changes occur to genes that control the way cells function, especially how they grow and divide. when cells start to multiply and divide outside of the normal cell process and they start to invade surrounding tissue