Should you be gluten-free if you don't have celiac disease?

USA TODAY - For more and to sign up click here Zach Kaplan Gluten-free diets have surged in popularity in recent years, even among people who don't have an intolerance to protein. Gluten is a protein found in grains, including wheat, barley, rye and triticale — a cross between wheat and rye. People who have celiac disease cannot tolerate gluten at all and must follow a strict gluten-free diet throughout their…