This TikTok trend could prove extremely sh—y. Castor oil has been hailed as a treatment for complexion problems and hair growth, but experts are warning against an unlikely side effect when ingested.

The runs couldn’t hide from a medical research team that visited the U.S. military’s Camp Lemonnier in Djibouti in search of ways to bolster troop combat readiness in Djibouti through better diarrhea ...