When did Catalyst Season 16 Episode 19 air?
Catalyst Season 16 Episode 19 aired on November 24, 2015.


Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.

Millions of people are giving up gluten in pursuit of better health. In this special investigation, Dr. Maryanne Demasi cuts through the hype of the gluten free diet. Should we all get on board or is it just another fad?
Direct answers for episode-level questions and details.
Catalyst Season 16 Episode 19 aired on November 24, 2015.
This episode runs for approximately 30 minutes.
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