Dr. Mona Khanna: The consequences of having high blood pressure are many, high blood pressure can affect almost ever organ in the body, but the one that is most commonly affect and have the most severe consequences are going to be your eyes, you can develop vision problems, also your heart high blood pressure can lead to an enlargement of the heart and that makes the heart less able to function normally. It can also affect your kidneys in fact uncontrolled high blood pressure is the reason that most people in dialysis centers have to now have dialysis to help their body clean up their blood, which is the function that normal kidneys can do because the kidney damage has been so, so bad and the very last consequences severe consequence of high blood pressure is a stroke. You can actually have a blood vessel in your brain burst or there can be a clot and that can lead to very severe consequences like lose of consciousness and lose of one side or all of your body.