Hygiene Hypothesis

The Times Magazine had two good articles this weekend about health.

Here's one supporting the "hygiene hypothesis," reintroducing intestinal worms into the body to cure Crohn's, hay fever, and M.S.:
"The Worm Turns"

Another one talking about the illusion that we can have control over our health by controlling "stress," and how cultural ideas of what makes a person "well" or "unwell" are used to explain cancer:
"Stress Test" by Peggy Orenstein (I've read one of her books in a sociology class before, so I'm rather biased towards her work)