DEAR DR. ROACH: I’m a 67-year-old female in pretty good health. The only medications I take are for my thyroid, arthritis and hormone replacement. Early last year, I was sick with a cold/flu for a ...

A mysterious gut hormone may be behind many cases of chronic diarrhea, especially in people with undiagnosed bile acid malabsorption, a condition often mistaken for irritable bowel syndrome.

Research indicates that there may be a link between irritable bowel syndrome (IBS) and certain forms of malabsorption, such as fructose, fructans, and bile acid. The term malabsorption defines a ...