Cancer

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Prevention of Cancer

1) avoid introducing chemicals into the body (smoke, drugs, etc.) 2) maintain a healthy diet 3)wear sunscreen 4) get annual physicals

How does cancer spread?

1: something causes a mutation in the DNA of a cell. 2: the cell with a mutation divides uncontrollably creating a tumor. 3:cancer cells break off from the main tumor, enter the bloodstream, and are moved to other parts of the body where they continue to divide

mutation

a change in the DNA that cause the cell to not function properly

cancer

a disease in which cells grow and divide uncontrollably. cancer cells damage the parts of the body around them eventually causing them to stop functioning. there are more then 100 types of caner, it can occur in almost any part of the body.

tumor

a mass of abnormal cells that develops when cancer cells divide and grow uncontrollably

How does cancer begin? 2

as the cell divides over and over, more cancer cellls are produced that can group together to produce a tumor.

How does cancer begin? 1

cancer begins when mutations change the normal cell cycle causing cells to divide in an uncontrolled way

radiation

cancer is exposed to beams of high energy waves. fast growing cells are more susceptible to being destroyed by radiation

surgery

surgical removal of a tumor. used when a cancerous tumor is detected before the cancer has spread to other parts of the body

chemotherapy

the use of drugs to treat cancer. drugs that kill cancer, or slow their growth, are carried by the bloodstream all over the body

Treating Cancer

there are 3 ways to treat cancer. 1) surgery 2)radiation 3)chemotherapy


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