The study is the first in which researchers linked anxiety and stroke independent of other factors such as
depression. Anxiety disorders are one of the most prevalent mental health problems. Symptoms include feeling unusually worried, stressed, nervous or tense.
Over a 22 year period, researchers studied a nationally representative group of 6,019 people 25-74 years old in the first National Health and Nutrition Examination Survey (NHANES I).
Participants underwent an interview and took blood tests, medical examinations and completed psychological questionnaires to gauge anxiety and depression levels.
Researchers tracked strokes through hospital or nursing home reports and death certificates. After accounting for other factors, they found that even modest increases in anxiety were associated with greater stroke risk.
People in the highest third of anxiety symptoms had a 33 percent higher stroke risk than those with the lowest levels.
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