Thanks, Tim, for the link to this story in Kuro5hin, by an individual who claims to have cured himself of hay fever and asthma by deliberately infesting himself with hookworms.
This first-hand story, as its author notes, "isn't for the faint hearted and for some should not be read while eating."
But I recommend putting that afternoon snack down, and checking it out.
More like this
kuro5hin has a story on Lott/Rosh. There is even an on-line poll. At the time of writing the results were: