High blood pressure
can cause weak blood vessels in the brain to burst,and cause a stroke
. It can cause increased pressure on the vessels in your eyes, causing blindness
. It causes narrowing and thickening of the blood vessels in the kidneys, causing them to filter less waste, and can lead to the need for dialysis
, or kidney failure. Also high blood pressure is associated with hardening of the arteries of the heart, which can lead to heart attacks.