Domino's delivers gluten-free pizzas

One of the world's largest pizza chains now hopes a new item will deliver new customers.

For an extra $3, you can get a gluten-free pizza at Domino's.

Originally, gluten-free diets were designed for people with Celiac's Disease, but Hollywood picked it up.

Other made enticing claims about gluten-free foods.

Doctors said it's not good for everyone.