Bo H. Jonsson, M.D., Ph.D., has been a practicing psychiatrist for thirty years. He is affiliated with the Department of Clinical Neuroscience, section of Psychiatry, Karolinska Institute and is medical director of Center for Affective disorders, Northern Stockholm Psychiatry, St G�ranrsquo;s Hospital, Stockholm. Dr. Jonsson is on the editorial board of the Journal of Orthomolecular Medicine and is president of the Swedish Society for Orthomolecular Medicine.