Lactose intolerance is an inability to digest a type of sugar found in milk and dairy products. Breath, blood, and stool tests are types of lactose intolerance tests that can measure the body’s ...

Microbiome tests measure the microorganisms in a person’s gastrointestinal (GI) tract. These tests can give the person an idea of the types and amounts of microorganisms in their gut. However, people ...

In 2024, the Food and Drug Administration (FDA) approved a blood test that can screen for colorectal cancer in people older than 45 years old at average risk for the disease. Some people may skip ...

October 9, 2008 — Stool DNA testing is a new approach to screening for colorectal cancer, but it is an evolving technology. A study has found that the first-generation stool DNA test (SDT-1) is not ...