Jimmy Kimmel Asks People On Gluten-Free Diets If They Even Know What Gluten Is [VIDEO]Jimmy Kimmel Asks People On Gluten-Free Diets If They Even Know What Gluten Is [VIDEO]Jimmy Kimmel hit the streets to ask people who are on a gluten-free diet if they even know what gluten is. What's sad is that none of them had a clue.DJ DigitalDJ Digital