High blood pressure â€” risk of stroke begins to increase at blood pressure readings higher than 120/80 millimeters of mercury (mm Hg). Your doctor will help you decide on a target blood pressure based on your age, whether you have diabetes and other factors.
Cigarette smoking or exposure to secondhand smoke.
High cholesterol â€” a total cholesterol level above 200 milligrams per deciliter (mg/dL), or 5.2 millimoles per liter (mmol/L).
Being overweight or obese.
Obstructive sleep apnea (a sleep disorder in which the oxygen level intermittently drops during the night).
Cardiovascular disease, including heart failure, heart defects, heart infection or abnormal heart rhythm.
Use of some birth control pills or hormone therapies that include estrogen.
Heavy or binge drinking.
Use of illicit drugs such as cocaine and methamphetamines.