Here are some links to look at if you are struggling with teen gossip. 

http://www.helium.com/items/1267176-the-harmful-effects-of-gossip-teen-advice
 This article talked about the effects bad gossip can have and the toll it can take on people.

http://www.life123.com/career-money/career-development/office-politics/effects-of-gossip.shtml
 This article talked about where and when it is okay to gossip and how it should be done if you do. 

http://www.expressyourselftosuccess.com/ten-articles-on-workplace-gossip-negative-effects-of-gossip/
 This article talked a lot about the negative effect gossiping has, and it shows that you should think before you start to gossip. 

http://fruitoftheword.com/2010/10/13/gossip-and-its-effects/
 This article had a lot of good information about the effects that gossip can have on you. Its very helpful to look at and see if you are in a bad situation and how you should avoid it. 

http://www.cbsnews.com/video/watch/?id=3074398n
 This video can help people, especially girls when it comes to mean or harmful gossip. The video talks about things that can help and how to see that it is bad gossip.