Making Use of Natural Toxin

Castor-oil plant's toxin may be used to locate and kill cancer cells;
the toxin of Cantharis and some kind of toxic snakes may be used to cure cancer too;
Scorption's toxin can suppress the imune system,and it makes sense to organ transportation;
the toxin of balloonfish can be used to alleviate the abstinent symptoms of drugs;
and the toxin of Toxic Frogs is more effective relieving pains than morphine,but it has no side effects.