What is Cancer?

What is Cancer

Cancer is very dangerous diseases. We should know “What is Cancer?”

Cancer is a group of more than 100 different diseases. Cancer is the uncontrolled growth of abnormal cells in the body. Cancer develops when the body’s normal control mechanism stops working. Old cells do not die and instead grow out of control, forming new, abnormal cells. These extra cells may form a mass of tissue, called a tumor. Some cancers, such as leukemia, do not form tumors.

Cancer can start almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and divide to form new cells as the body needs them. When cells grow old or become damaged, they die, and new cells take their place.

What is Cancer?

Cancer starts when cells change abnormally cells divide in an uncontrolled way. Some cancers may eventually spread into other tissues.

A primary tumour is the name for where a cancer starts. Cancer can sometimes spread to other parts of the body – this is called a secondary tumour or a metastasis.

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