There may still be value in getting tested. A friend of mine was certain gluten was the source of her abdominal issues and avoided it religiously. She did mostl

There may still be value in getting tested. A friend of mine was certain gluten was the source of her abdominal issues and avoided it religiously. She did mostly okay until the symptoms got suddenly worse and it was determined it was actually her gallbladder. It was bad enough that they operated despite the pandemic limits on elective surgery.