Schistosomiasis is a chronic, parasitic disease caused by blood flukes (trematode worms) of the genus Schistosoma.

Since then, other studies have found that when treated with worms, people with inflammatory bowel disease can improve and diabetic patients may return to normal blood-glucose levels.

Besides other fragments of hemoglobin and other similar compound coming from the blood of animals, such as foraminifera, minute crustaceans and small worms.