Snack food? Beverages? Are thpse deadly weapons? Actually they could be, a slowly ones but only for those who consumes them.
Don't know about that, but it seems that chewing gum is http://www.google.com/hostednews/afp/article/ALeqM5iflSn6wJWSpD_E55DV8LHxvldfiA http://www.youtube.com/watch?v=FFnB2cKVKhs