The remarkable discussions in this volume took place between Rudolf Steiner and workers at the Goetheanum, Switzerland. He discusses, among other things, nicotine and alcohol; the causes and timing of illness; pregnancy; vegetarian and meat diets; the human ear, eye and hair colour; influenza, hay fever, haemophilia; planets and metals; mental illness; the ice age; the thyroid gland and hormones; beavers, wasps and bees; the nose, smell and taste; and jaundice, smallpox and rabies.
