Whats a good argument point about anti smoking besides health and cost?

[DivaGirl]

Well at school i'm doing an oral presentation on tuesday about how society can benefit by the elevated prices on cigarettes in australia.
my arguements are health and cost ( people throwing away their money)
i reallly need another point but i have no idea what's a really strong arguement i could use please help!

 

[luminous]

the effects of 2nd hand smoke on others and the enviroment. Mention the harmful effect on animals in the house of a smoker too.