breast cancer

irene castaneda

What are some causes of various types of cancers?

What is cancer?

What is cancer? cancer is when the bodies cells start dividing uncontrollably and start spreading into the surrounding tissues. cancer can start in any part of the body. the human body is made of trillions of cells the normal function of the cells is to grow, divide and produce new cells as the old ones die, but when the cancer begins to develop is when this orderly function starts to malfunction, and the cells are abnormal which is when damaged or old cells survive, and new cells form when they aren't needed ,and start to divide without stopping which may lead to the growth of tumors, many cancers make solid tumors which are mass of tissue .