My name is Christine Marquette, and I'm a registered dietitian, and I'm going to explain to you, what an elimination diet is. Elimination diets have been used traditionally to identify foods that cause negative responses. A lot of times, for example, people with IBS that have diarrhea feel like there is a food that is likely triggering their symptoms. So in order to figure it out they'll go on a very basic diet trying to start out with things that are very easily digested, things like rice for their grains, chicken or lamb for their meet, just very plain, very bland, no extra spices, very basic vegetables. They'll follow that particular just plain diet for a couple of weeks to see if they can reduce their symptoms. As their symptoms are reduced, they'll start adding back a food one at a time. And as they're adding back in foods, they'll determine whether that causes a bad reaction. So, say for example they add back in apples, they eat apples a couple of days, no problem, they know apples are okay, they're a safe food, they then add in beef, they eat beef a couple of days, they start having diarrhea, they think, oh no, beef is a problem, so they eliminate beef from their diet. So that's the sense of elimination, you're testing out foods, and as you react, you eliminate that food that triggered the symptom.