Add Yahoo as a preferred source to see more of our stories on Google. Saffron Cassaday, right, pictured with her husband and stool donor, Al Mukadam. Cassaday did fecal microbiota transplantation, ...

Study finds little agreement across 21 direct-to-consumer tests ...

A fecal fat test measures the amount of fat in a person’s stool. The test assesses the digestive function and absorption of fat in the gastrointestinal tract. Several medical conditions cause poor fat ...

Changes in the way that humans live and eat have resulted in tremendous alterations in the gut microbiome, especially over the past few decades. These changes have been linked to increased rates of ...

The Xpert MTB/Ultra molecular diagnostic test for stool samples, until now recommended only for children, could be established as an additional test for diagnosing tuberculosis in adults living with ...