These social ad campaigns comment on life’s important problems with some very clever concepts and designs.

The problems of alcohol, smoking, drugs, gambling are still important today. 
There is no easy way to get rid of it. Social advertising is there to draw attention to these social problems. It is always well done and often, it is shocking. But does it help? I think not much. I gathered a large selection of posters on this topic. Look, it's interesting.