Scientists don’t know why cyclosporiasis, a tropical diarrheal disease, is spreading more and more from domestic sources.

Michigan alone has reported more than 700 cases of cyclosporiasis, often linked to fresh produce. Why haven't we found the cause?

Diarrhea claims the lives of 500,000 children each year in low- and middle-income countries. Now, Danish and Ethiopian researchers have linked chronic diarrhea to a specific pattern of gut bacteria, a discovery that could pave the way for new treatments ...