And how to get it under control. By Liz Szabo Nearly half of American adults have high blood pressure — but only a quarter of those with hypertension have it under control, according to the Centers ...

Hypertension (high blood pressure) occurs when the pressure in the blood vessels consistently exceeds a certain threshold. It may rise with age as the body changes and blood vessels become stiffer.

Last year, a study highlighted that your doctor’s office might be taking your blood pressure wrong. The current best practice is to take seated blood pressure readings with a detailed protocol: ...