Question

what are the causeS of cancer? ​

Answer 1

Answer:

Cancer is caused by accumulated damage to genes. Such changes may be due to chance or to exposure to a cancer causing substance. The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke.

Answer 2

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Common cause of cancer

1. smoking and tobacco.

2. Diet and physical activity.

3. Sun and other types of radiation.

4. Viruses and other infection.

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