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It has long been known that over evolutionary time the human organism developed in tandem with a vast host of microbial fellow travelers. The 100 trillion microorganisms inhabiting our gastrointestinal tracts assist in numerous physiological processes critical to our health and well being. The intestinal

In recent years, media pundits around the world have proclaimed the extraordinary value of so-called super foods. Blueberries, broccoli, and especially kale have been described as possessing remarkable, almost magical, properties. What is it about these foods that makes them so good for you? From a