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Cancers Over 100 different types –Can occur in almost any part of the body Lung cancer is #1 cancer killer
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Cell Processes & Energy
CancerChapter 2Section 4
Cancer
• Caused by a mutation– When cells grow and divide uncontrollably
• Damages the tissues around the cells
Cancers
• Over 100 different types– Can occur in almost any part of the body
• Lung cancer is #1 cancer killer
Mutation
• Damage that causes DNA to change– Can cause cancer
Tumor
• A mass of abnormal cells that develops when cancerous cells divide and grow uncontrollably
Cancer Spreading
• If cancerous cells enter the bloodstream they can then spread through the body
Treatments for Cancer
• Surgery– To remove cancer
cells• Radiation
– To kill remaining cancer cells
• Chemotherapy– To stop any remaining
cells from dividing
Cancer Prevention
• Avoid tobacco• Eat healthy foods
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