dr. prusiner is doing which you may find of interest. p these preons turn out to be as hopeful as we expect them to be, this is something we'll all celebrate about. you may not be jumping up and down, but anybody that has somebody in their family are parkinson's alzheimer's, they will. thank you for coming on. coming up, a conversation with actor terry crews. stay with us. >>> terry crews is starring in "brooklyn 99" on fox and has five movies out this year including the upcoming "the expendables 3" in which he co-stars with sylvester stallone, harrison ford, mel gibson and others. he also found time to write a book. it titled "manhood: how to be a better man or just live th one." he was name the new host of "who wants to be a millionaire." i ain't mad at you, terry crews. you're working like a jamaican, man. >> i want to be a millionaire! you know, that's the show. >> good lord. >> congratulations. >> thank you so much. >> why would you want to host the show like millionaire? >> you know, i thrive off of live energy. and another thing i

dr. stanley prusiner who has a discovery with creons challenged everything science thought about the root causes of infection. his discovery may lead to new ways dealing with alzheimer's. he's chronicled all of this in a must tone called madness and memory, the zofrnry of prons. then we turn to a conversation with terry crews who is starring in a comedy series "brooklyn 99 "on fox. the former nfl player has a new book out called "man hd: how to be a better man or just how to live with one." we invite you to join us on those conversations coming up right now.