This document discusses social media and public health. It begins by highlighting how prevalent social media has become, with statistics about the massive amount of content shared every minute. It then discusses why public health professionals should utilize social media as an important tool. The document provides recommendations for specific social media platforms like Facebook, YouTube, Twitter and LinkedIn and how they can be used for public health purposes. It also offers tips on management tools and best practices for using social media in a government health department context. Finally, it briefly touches on emerging future trends in social media.