New on the blog: Managing High Blood Pressure in Charleston: A Local Patient's Guide

Yes. It often develops without obvious symptoms while it damages blood vessels and organs over time, which is why it is called the silent killer and why regular checks matter.

Some factors cannot change, such as age and family history. Others can: high sodium intake, drinking too much alcohol, inactivity, extra weight, chronic stress, poor sleep, sleep apnea and tobacco use.

If your blood pressure is suddenly higher than 180/120, the American Heart Association advises waiting at least one minute and checking again. If it is still that high with chest pain, shortness of breath, back pain, numbness, weakness, a change in vision or difficulty speaking, call 911. Without those symptoms, contact your healthcare provider right away.