There are several medical case studies that we've covered that are so over-the-top-crazy that there is always at least one commenter who insists that, even though the story is published in a peer-reviewed journal, it has to be an urban legend (this one and this one are good examples). This is another such case study. It features a woman who is allergic to Brazil nuts, and a man who ate some and then slept with her. We'll let you read the rest to find out where the Brazil nut allergens ende
