I've not put up these links to preach; I've put them up just in case you need understanding or help.
Cancer:
The Cancer Council
CanTeen
Cancer Vic
Mesothelioma
Wikipedia
Head and Neck Cancer and Oesophageal Cancer
Cigarettes
Quit Now
Web: click here.
Phone: 131 848
HealthInsite: Health Effects of Smoking
Alcohol
Alcoholics Anonymous
Web: click here
Drug And Alcohol Services SA: Alcohol and its Effects
Drug Info: Alcohol Information