"The best thing I think was the choice that he made to leave the radio show and just focus on (U.S. TV shows) Agt (America's Got Talent) and Up All Night... Now he is doing better. The thing is, like, he is a young, healthy person and it's about changing the lifestyle. Again, it's just a lifestyle choice and just an awareness of what can really happen to you, no matter how young or in great shape you are. And I think he's gonna turn, like he always does, something that happened into a positive thing." Mariah Carey insists her husband Nick Cannon, who was recently diagnosed with acute kidney failure, is on the mend.