Blood vessels become less elastic with age. The average blood pressure increases from 120/70 to 150/90 and may persist slightly high, even if treated. The blood vessels respond more slowly to a change in body position.
Review Date 4/19/2020
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.