I have been saying for years that the way we over sanitized our lives is killing us. Check out this article on Slate, Eat Crap: Why Americans should ingest more excrement.
Technorati Tags: Immune System, Slate
I have been saying for years that the way we over sanitized our lives is killing us. Check out this article on Slate, Eat Crap: Why Americans should ingest more excrement.
Technorati Tags: Immune System, Slate