parasites

I was doing some research on health and cleansing and ran across this article (old) in discover magazine on parasites entitled; do parasites rule the world. Here is an excerpt (chilling);

Yet we know that we, too, are collections of cells that work together, kept harmonized by chemical signals. If an organism can control those signals— an organism like a parasite— then it can control us. And therein lies the peculiar and precise horror of parasites.

http://discovermagazine.com/2000/aug/cover