As early as the 5th or 6th century BC, Alcmaeon of Croton believed that the brain was the source of intelligence. This view was later refuted by the Greek philosopher and teacher to Alexander the Great, Aristotle, who believed that the heart was the source of knowledge as early as the 4th century BC. As time went on we learned more about our bodies: although psychology is still in its infancy, cardiology has made a number of advances to help keep hearts beating and patients healthy.… Read More...