International Publisher of Science, Technology and Medicine

 

Cancers

Cancer is a class of diseases characterized by out-of-control cell growth. There are over 100 different types of cancer, and each is classified by the type of cell that is initially affected.

Cancer harms the body when altered cells divide uncontrollably 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).

Tumors can grow and interfere with the digestive, nervous, and circulatory systems, and they can release hormones that alter body function.

 

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