This article highlights information from a symposium held at the 1999 National Conference for Nurse Practitioners, Washington, D.C., November 11, 1999, sponsored by The Nursing Institute and supported by an unrestricted educational grant from Schwarz Pharma Inc. "Hypertension" was the first topic and was discussed by Elijah Saunders, MD, FACC, FACP. "Medical Chronobiology and Chronotherapy" was the second topic and was discussed by Michael H. Smolensky, PhD. The third topic, "The Nurse Practitioner and the Hypertensive Patient," was discussed by Helen C. Noel, ANP, PhD. Dr. Noel also served as chair of the symposium.