Hypertension (HTN or HT), also known as high blood pressure (HBP), is a long term medical condition in which the blood pressure in the arteries is persistently elevated.
A condition in which the force of the blood against the artery walls is too high.
Usually hypertension is defined as blood pressure above 140/90, and is considered severe if the pressure is above 180/120.
Hypertension is harmful because it can cause,
Heart attack, angina, or both
Peripheral arterial disease
Retinal problems (retinopathy)