Episode available within Canada only. Click on image to play the video.

Dr. Derrick MacFabe, Director of Kilee Patchell-Evans Autism Research Group, University of Western Ontario
Read an interview with Dr. MacFabe and others involved in this film on the filmmaker's website.

A fresh perspective on autism research with the developing "Bacterial Theory" of autism. The fastest-growing developmental disorder in the industrialized world, autism has increased an astounding 600 per cent over the last 20 years, and science cannot say why. Some say it's triggered by environmental factors and point to another intriguing statistic: 70 per cent of kids with autism also have severe gastrointestinal symptoms. Could autism actually begin in the gut? The Autism Enigma looks at the progress of an international group of scientists studying the gut's amazingly diverse and powerful microbial ecosystem for clues to the baffling disorder.

The Wild Canadian Year

Wild Canadian Year

Visit our website to watch the series online, discover extra behind-the-scenes stories and view Canada's nature scenes in 360. Visit Wild Canadian Year

From CBC Kids

The Nature of Thingies