By age 70, most adults — 70% or more — have high blood pressure (hypertension), defined as a consistent reading of 130/80 milligrams of mercury (mm Hg) or higher. Most of them need at least two blood pressure medications to keep their pressure under control — and up to 30% require three drugs. With more than 200 different blood pressure medications on the market, how do doctors select the right combination for each individual? The most recent blood pressure guidelines feature detailed advice