A look back at the PSAs that left a lasting impression

They warned us about everything from smoking and drugs to stranger danger and household hazards. Public service announcements were a regular part of growing up, and some of them were pretty hard to forget.

Whether they made us laugh, think or hide behind the couch, they certainly knew how to get their message across. For this edition of Retro News, author and cultural historian Ed Conroy revisits some of the classics.