Paul Conlin, an endocrinologist with Harvard-affiliated VA Boston Healthcare System and Brigham and Women's Hospital. Instead, they are changed when sufficient new evidence suggests the old ones weren't accurate or relevant anymore,' says Dr. 'Blood pressure guidelines are not updated at regular intervals. That includes many men whose blood pressure had previously been considered healthy. This means 70% to 79% of men ages 55 and older are now classified as having hypertension.
The previous guidelines set the threshold at 140/90 mm Hg for people younger than age 65 and 150/80 mm Hg for those ages 65 and older. In 2017, new guidelines from the American Heart Association, the American College of Cardiology, and nine other health organizations lowered the numbers for the diagnosis of hypertension (high blood pressure) to 130/80 millimeters of mercury (mm Hg) and higher for all adults. If you didn't have high blood pressure before, there's a good chance you do now. The definition for what is considered high blood pressure has been tightened.
