Nearly 200 million Americans have high blood pressure, but new research suggests about 1-in-6 adults in the United States with hypertension don’t even know they have it. Dr. Natalie Azar joins TODAY ...

A national study assessed changes in the proportion of adults unaware of their hypertension, diabetes, or high cholesterol ...

Your blood pressure can rise after exercise, but the increase is typically temporary. Extreme spikes or drops in blood pressure may be a sign of a medical condition such as hypertension.