Questions and Answers
What is the primary characteristic that distinguishes cancer from benign tumors?
Ability to invade or spread to other parts of the body
Which factor contributes to the highest percentage of cancer deaths?
Tobacco use
How do certain factors like infections and environmental pollutants contribute to cancer development?
By changing the genes of a cell
What are some possible signs and symptoms of cancer?
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What percentage of cancers in the developing world are due to infections?
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