we've got more now from author a.j. jacobs. tongue only half in cheek.he's doing in his quest to be the healthiest person in the world. >> when i go to a restaurant, i basically drive the wait staff crazy. because -- can it be steamed, no sauce? unlike when harry met sally, i'm basically like sally. >> but i'd like the pie heated, i'd like strawberry instead of vanilla. if not, just whipped cream, but only if it's real, if it's out of a can, then nothing. >> noise is a huge health hazard. it's one of the most underrated health hazards. but it's terrible for you. bad for your stress levels and it's -- it's bad for your hearing, of course. so i actually -- i -- i wear these all the time. so i won't wear them for the interview, but i love them. because it's healthier. i have a collection of ear plugs and i've got these beautiful noise-canceling earphones, i really recommend them. i think people worry about the wrong things. we spend time worrying about things like shark attacks. that's insane. ten times more people are killed by hot water in their home. i'v