 the potential risk of taking fish oil supplements before surgery. And definitely your surgeon is going to say, don't take omega-3 fatty acids because you're going to have more serious bleeding during surgery. You don't want that. They'll tell you to get off blood thinners. They'll tell you to get off aspirin. They'll tell you to get off fish oil. Maybe certain other supplements that they consider blood thinners. Well, here's a study looking at children.