High blood pressure affects much more than you think. Roll over the body to learn about the increased risk of serious health consequences. Watch this video to learn more about the risks » Stroke High blood pressure can damage brain vessels and make them easier to clog, or cause them to burst in weak spots, in either case leading to a stroke. Without enough oxygen, your brain starts to die, losing the ability to control your bodily functions, like movement, thought, speech, vision, and memory. Loss of vision High blood pressure can strain the blood vessels in your eyes, causing them to bleed or resulting in vision problems or even permanent vision loss. Hardening of arteries High blood pressure can cause hardening and thickening of your arteries, which can lead to heart attack, stroke, and other serious complications. Heart failure High blood pressure can make the blood vessels in your heart work harder to pump blood throughout your body, which can cause a heart attack or lead to heart failure. Kidney failure High blood pressure can damage the blood vessels in the kidneys, which can cause kidney failure.