Canadian researchers say a blood test measuring immune response to gut bacteria could help predict Crohn’s disease years ...

I’ve bombed a few tests in my life. This one was a real gut punch. My microbiome’s health was rated as “poor.” I had my gut microbiome—the collection of bacteria in the digestive tract—tested as part ...

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 ...

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 ...