We have, as human beings, a storytelling problem. We're a bit too quick to come up with explanations for things we don't really have an explanation for.
Bio: Aretaeus is one of the most celebrated of the ancient Greek physicians, of whose life, however, few particulars are known. He presumably was a native or at least a citizen of Cappadocia, a Roman province in Asia Minor, and most likely lived around first century CE.