In one of my favorite movies, the Princess Bride, the hero Westley challenges Fizzini to a battle of wits. Westley puts a deadly poison, iocane powder in one of two glasses and Fizzini has to choose which one to drink. Eventually Fizzini chooses and drinks his wine and then keels over dead. It turns out … Continue reading Is it Possible to Build Up an Immunity to Poison Like They Do in the Movies?