• Question: How does smoking actually cause cancer?

    Asked by theo79 to Kay on 23 Mar 2010 in Categories: .
    • Photo: Kay Penicud

      Kay Penicud answered on 23 Mar 2010:

      Smoking contains chemicals, which have chemical reactions with your DNA. This causes your DNA to change, so it encodes for faulty proteins. These faulty proteins send ‘wrong’ signals to your cells so they start growing out of control.

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