<unk>  can be fatal to humans and can be introduced to the body by inhalation, swallowing or absorption through eyes or mouth. It produces some of the most dramatic and painful symptoms of any known toxic reaction. For this reason,<unk>  is often used in literature and film.
Strychnine poisoning
Organophosphate poisoning
Cyanide poisoning
Mushroom poisoning
Black nightshade poisoning
Gold poisoning
Shellfish poisoning
Carbon monoxide poisoning