Question

Why does cancer occur? ​

Answer 1

Answer:

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues. Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. ... In normal cells, tumor suppressor genes prevent cancer by slowing or stopping cell growth.

Answer 2

$\huge{\underline{\underline{\mathbb{\red{ANSWER}}}}}$

Cancer is a disease caused when cells divide uncontrollably and spread into surrounding tissues.

Cancer is caused by changes to DNA. Most cancer-causing DNA changes occur in sections of DNA called genes. In normal cells, tumor suppressor genes prevent cancer by slowing or stopping cell growth.

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