1.   Cigarette smoking has been linked to eight different types of cancer and to heart and lung diseases.

2.   Cigarette smoking has been linked to eight types of cancer and to heart and lung diseases.

3.   The college said parental smoking had been linked to asthma, glue ear and serious respiratory infections in children.

4.   The college said parental smoking had been linked to asthma, glue ear and serious respiratory infection in children.