What is high blood pressure?
When the heart contracts, the blood is pumped from your heart through the arteries into your body. The blood puts a force against the blood vessel (or artery) walls. This pressure is known as systolic blood pressure. When the heart is relaxing before it contracts again, the existing pressure in the arteries is known as the diastolic blood pressure. Your blood pressure is a reading of this pressure. When that reading goes above a certain point, it is called high blood pressure or 'hypertension'. When you have high blood pressure, it is partly because your blood vessels become narrower, and more constricted forcing your heart to pump harder to move blood through your body. These changes cause the blood to press on the artery vessels walls with greater force.
Why is high blood pressure dangerous?
High blood pressure is also called the " silent killer " because it usually has no symptoms. If not controlled over time, high blood pressure can affect not only your heart and blood vessels but also other organs, making them function not as well as they should.
The effects of uncontrolled high blood pressure include: