Stroke is a disruption of blood flow into the brain, which causes brains cells to be damaged or die because of a lack of oxygen.

Lifestyle and Medical Risk Factors

1. Cigarette smoking or exposure to secondhand smoke
2. Lack of exercise 
3. Being overweight or obese
4. High blood pressure
5. Diabetes
6. Cardiovascular disease, including heart failure, heart defects, heart infection or abnormal heart rhythm