Now urban legends are urban folklore that were created by stories weaved together and circulated around until most people have accepted them as truths. There are different kinds of urban myths and covers a wide range of subject matter. Its not impossible to find that even diseases have their own folklore. A celiac disease urban legend revolves around tea bags containing gluten which can trigger the disease.
For those who do not know, celiac disease is a condition where the small intestines get inflamed due to the consumption of food containing gluten. Gluten is a protein commonly found in food made from wheat, barley, and rye. So such foods like bread, pizza, and pasta can contain gluten. The condition can be really bad in the long run. The inflammation that the disease causes in the intestines prevents the body to absorb the nutrients that it needs. So the end results would be malnutrition. Malnutrition itself can then cause more ailments.
I dont actually know where and when it started, but stories have already circulated that some makers of tea uses tea bags made from gluten. This is obviously bad for tea drinkers that have contracted the celiac disease. Word...