Metformin is a diabetes drug that's also taken off-label for weight loss and anti-aging. It can have some severe gastrointestinal side effects, including diarrhea without warning. Experts recommend ...

A doubling of stomach illnesses in Florida was linked to a parasite. Cyclosporiasis can cause explosive diarrhea, but usually goes away on its own. Leafy greens like salad are among the leading causes ...