Cancer is a class of diseases that is characterized by out-of-control cell growth. According to the researchers there are over 100 different types of cancer Detroit Lions Hats , and each one is classified by the type of cell that is initially affected.
Since, Cancer harms the body when damaged cells divide abnormally to form lumps or masses of tissue called tumors except in the case of leukemia where cancer prohibits normal blood function by abnormal cell division in the blood stream. Whereas tumors can grow and interfere with the digestive, nervous, and circulatory systems thereby release hormones that alter body function.