I don't know about making my depression worse, per se, but it definitely doesn't improve my impression of humanity as a whole. The modern media 'machine' tends to focus on all that is negative and petty about people, and even the 'humanitarian' stories are often eclipsed by some new horror.

I am a fan of weird & odd-ball news, and stories that revel in conspiracy - rotten.com's 'daily rotten' is one of my favorite sites. It could be said that I perpetuate the media's focus on how bad people can be to one another by visiting 'gore' sites, but at least I'm not encouraging paparrazi by reading tabloids.