The Emerging Science of Gut Health and Probiotics

Jun 25, 2015

Scientists have long known that bacteria live in the human gut, working with the digestive system to break down food. But researchers have recently discovered even more far-reaching effects of the trillions of microbes living in our bodies, impacting everything from our immune systems to chronic illness. We examine the science of gut health.


  • Ruth Goldstein – dietician and nutrition counselor at the Center for Integrative Medicine in Concord.
  • Dr. Allan Walker – nutrition professor at Harvard Medical School. He chaired a symposium about emerging research on probiotics last fall.