Does nicotine addiction cause a stroke?

Because of the many other harmful substances found in cigarettes, nicotine addiction can lead to a stroke and many other diseases. During a stroke, blood flow - and oxygen - is cut off from your brain, causing minor to serious brain damage. Nicotine addiction increases blood pressure by restricting blood vessels, which can lead to a stroke. In fact, smoking and nicotine addiction are harmful to almost every organ in your body.