It is well known that probiotics are beneficial to the human gastrointestinal tract and overall health. But what factors of imbalance and pathogenic influences are at work in many conditions involving the gut and, consequently, other bodily systems? How do probiotics help these, and why are human probiotic infusions -- or fecal bacteriotherapy -- a very logical and effective intervention? Join Teri for this fascinating program as she interviews world expert Dr. Thomas Borody of the Centre for Digestive Diseases of Sydney, Australia.