Music·Posted on Apr 11, 2013What Is Going On With Lou Reed's Mouth?Has he been eating a solid diet of green apple Jolly Ranchers? I need to know what causes this so I will never do it.by Katie NotopoulosBuzzFeed News ReporterLinkFacebookPinterestTwitterMail Here is Lou Reed at a recent event: Wait, what's going on with this mouth? What IS this yellowy-green stain in the corners? Did he just drink a wheatgrass smoothie? Moutain Dew? Is that from nicotine? Seriously, WHAT CAUSES THIS?