To me, what's interesting is that parasites cause complex interactions in animals. There's a parasite that apparently cures adult onset asthma, e.g. So I thin

To me, what's interesting is that parasites cause complex interactions in animals. There's a parasite that apparently cures adult onset asthma, e.g. So I think that while the theory would be hard to prove, the power of parasites causing complex physiological changes should not be ignored.