A hydrogen breath test can help determine if you have one of a few conditions that can affect your digestive health. It may tell you if you have too much bacteria in your gut, if you are lactose ...

A tissue transglutaminase IgA test or tTg-IgA test is an effective method used in the diagnosis of celiac disease. It is a blood test that checks for antibodies or immunoglobulins, which are proteins ...

The digestive system is a series of connected organs that runs from the mouth to the anus. Also known as the gastrointestinal (GI) tract, it includes the esophagus, stomach, and large and small ...