“In the field of medicine, Galen, the Alexandrian scientist, propounded a view that is still around, nowadays called 'alternative medicine.'It was taught in many medical schools until the mid-nineteenth century and now is becoming popular again. Human health is the result of the balance of humors, or temperaments. Physical exercise, bathing, and herbal remedies keep the four temperaments in balance, or restore balance, in case one, such as melancholia (depression), comes to dominate. Today's transactional psychiatry teaches much the same medical doctrine as Galen did.”