I saw an article once that Humans are the only animal that can't properly digest their own meat so people that eat other people on a regular basis start o stink because of the process that your body does to get rid of the extra left over from not being able to eat it.
Not sure if it is true but I think it was in a reputable source (can't really remember)
Not sure if it is true but I think it was in a reputable source (can't really remember)