DEAR DR. ROACH: I have been confused about what normal blood pressure is for me (or anyone). I know there are some issues on what normal is today, but let us say that normal is 120/80 mm Hg. Does this ...

Systolic pressure measures arterial pressure when the heart contracts, with normal readings less than 120 mmHg. Diastolic pressure measures arterial pressure when the heart relaxes, with normal ...

Blood pressure (BP) is a vital marker of cardiovascular health, yet many people misunderstand what constitutes normal versus too high or too low. Simply put, blood pressure measures the force your ...

Your doctor says everything looks fine, but you still feel terrible. The problem might not be your health but how labs define “normal.” Understanding the difference between normal and optimal could ...

Labs calculate normal by testing everyone who walks through the door, including patients with undiagnosed conditions and chronic diseases. The middle 95 percent becomes the reference range, whether ...