An ischemic stroke (the most common type) happens when a blood vessel feeding the brain becomes blocked, usually by a blood clot. When blood supply is cut off, brain cells die and the ability to walk, talk, or function normally can be impaired.
Studies point to a relationship between periodontal disease and stroke. In one study examining oral infection as a stroke risk factor, patients diagnosed with acute cerebrovascular ischemia were more likely to have an oral infection than control subjects.
Control high blood pressure; lower cholesterol and saturated fat; quit tobacco; control diabetes; maintain a healthy weight; eat a diet rich in fruits and vegetables; exercise regularly; drink alcohol in moderation; treat obstructive sleep apnea; avoid illicit drugs.