Nick Cannon, TeenNick chairman attends the Nickeloden TeenNick HALO Awards at the Hollywood Palladium on October 26, 2011 in Hollywood, California. Nick Cannon is stepping down as host of the radio show "Rollin with Nick Cannon" over medical issues including blood clots in his lungs and heart problems February 17, 2012. (Photo by Frederick M. Brown/Getty Images)
Nick Cannon, TeenNick chairman attends the Nickeloden TeenNick HALO Awards at the Hollywood Palladium on October 26, 2011 in Hollywood, California. Nick Cannon is stepping down as host of the radio show "Rollin with Nick Cannon" over medical issues including blood clots in his lungs and heart problems February 17, 2012. (Photo by Frederick M. Brown/Getty Images)