People with celiac disease can kiss without fear, even if their partner has just eaten gluten, according to a new study. People with celiac disease have an immune response to gluten, a protein found in foods such as bread, pasta, gummy bears and soy sauce. Everyday activities often require careful calculation to avoid exposure. With no official guidance, health care providers have been left to offer their best judgment when advising patients on whether it’s safe to kiss someone who just ate gluten. Anne Lee, an assistant professor of nutritional medicine at the Celiac Disease Center at Columbia University in New York City, decided to change that. The study included 10 couples that all had one partner with celiac disease and one who didn't have it. They wanted to see whether kissing the partner who had eaten gluten would trigger symptoms in the celiac partner. Lee and her team tested this using two scenarios. Both started with the non-celiac partner eating 10 saltine crackers before...