Not too long ago, most people (and doctors) believed that all sickness and disease came from tangible things. For example, germs caused disease. You got sick by coming into contact with a certain germ…and that germ made you sick with whatever illness it represented. This, of course, is the germ theory of disease we give Louis Pastour credit for. But over the years, even though popular belief held the germ theory as 100% truth…others have challenged its validity. How? …read the rest of the article.