Social media is a term for internet sites and apps that you can use to share content you've created. Social media also lets you respond to content that others post. That can include pictures, text, reactions or comments on posts by others, and links to information.

Online sharing within social media sites helps many people stay in touch with friends or connect with new ones. And that may be more important for teenagers than other age groups.

Friendships help teens feel supported and play a role in forming their identities. So, it's only natural to wonder how social media use might affect teens… more