Kanye West has sparked health fears by revealing a dangling growth on his top lip. The 46-year-old rapper displayed the mystery protuberance as he posted a video of himself defending his right to post revealing pictures of his 29-year-old model wife. He said in a clip posted to his Instagram that showed him speaking close to his camera and showing off his new set of titanium dentures that are said to have cost $850,000: “Y’all, I just want to tell everybody I posted my wife three times on purpose.” Bianca was shown walking beside Kanye as he shot the video in an airport, with the model dressed…