A chimp at a zoo in Lebanon was found to be entertaining audiences by smoking cigarettes; he's since been sent to a sanctuary in Brazil, where he may very well be scared straight by a visit from the smoking baby.
Newsflash: people smoke, drink, and overeat because it feels good. These behaviors may even stave off depression, but don't be fooled: they'll still kill you. Especially, apparently, if you're black.
Molly Shannon's SNL character, Mary Katharine Gallagher, had a tendency to stick her fingers under her armpits and then smell them whenever she got nervous. The rest of us may not be as comfortable sharing our nervous habits in public.