Uncontrolled hypertension can be harmful to your body. It can damage the walls of the arteries, causing tears or bulges, or it can speed up the hardening of your arteries. It can also lead to an enlarged heart and heart failure. This damage and hardening of the arteries can cause kidney failure, heart attacks and heart disease, strokes, loss of eye sight, reduced blood supply to the brain and aneurysms.
Finding and treating high blood pressure early can help prevent these problems.