Nitrogen is a chemical element with symbol N and atomic number 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772.
âA gluten-free diet is a diet that does not include gluten, a protein found in wheat, rye, and barley,â says Tricia Thompson, RD, a dietitian based in Manchester, Mass., who focuses on developing gluten-free eating programs for people with celiac disease.
What Is a Gluten-Free Diet? Before tackling the gluten-free diet, let's get to know our culprit. Gluten is a specific type of protein, but one you won't find in meat or eggs. Instead gluten is found in wheat, rye, and barley. Going gluten-free means avoiding these grains. A gluten-free diet is essential for most people with gluten allergies or celiac disease, a condition which causes intestinal damage when gluten is eaten.