Intestinal worms, often unnoticed, can cause significant health issues. Symptoms range from stomach pain and fatigue to severe complications like blockages. Recognizing signs in stool, understanding ...

Acorn worms live in burrows on the seafloor so you’re not likely to ever see one. But you may see their absolutely enormous piles of poop. Snorkelers and divers have noted them for years and Nat Geo ...