Fringebusters 115: Inner Child

For each episode of Fringe, Popular Mechanics asks experts to analyzes the science of Fringe, and separate the science fact from the science fiction.

For "Inner Child," PM brings in Dr. John L. Petrini, President of the American Society for Gastrointestinal Endoscopy and chief of gastroenterology at Sansum Clinic, to answer the question: Could Someone Really Survive Without Lactobacillus?

PopularMechanics.com: Fringe's Stomach Science is Part Fact, Part Fiction