Jan de Vries, although trained as a pharmacist, turned to alternative medicine early in his career. His most influential teacher was the world-renowned Swiss doctor, Alfred Vogel. In this book, he addresses the causes and treatments for epilepsy and various forms of migraines, such as common, classical, abdominal, circulatory, hormonal, and menstrual, as well as menieres syndrome, tinnitus, vertigo, and more.