lndole-3-propionic acid as a marker and for treatment for Huntington Disease. An exemplary pharmaceutical composition for treating or preventing neurodegenerative 3 disease, hypertension, stroke, ischemic heart disease or head injury in an animal, or for delaying or ameliorating the effects of said disease or injury in an animal suffering from same may comprise indole-3-propionic acid or a salt or ester or protein 6 complex or inorganically bound preparation thereof and a pharmaceutically acceptable carrier therefor.
