Some dishes, if not properly processed and consumed, can cause paralysis, poisoning or even gastric perforation.
Japanese puffer fish contains tetrodotoxin, which causes nerve paralysis.
Fugu : is a dish made of Japanese puffer fish containing tetrodotoxin , a toxin for the nervous system. If this dish is not handled properly, the amount of toxins that have not been removed can cause paralysis.
Pangium edule : fruits and seeds of this fruit contain hydroxianua (hydrogen cyanide) a very toxic acid. Their seeds must be boiled, then buried in the ground for 40 days to be used.