Hair may reveal clues about heart health

September 6, 2010

Levels of cortisol have previously been measured in blood, urine and saliva, but these measurements only provide a snapshot of stress at the moment.

Hair cortisol can provide a longer-term assessment of stress.

In a new study, hair cortisol levels were actually a more important predictor of heart attack risk than other known heart disease risk factors such as high blood pressure, smoking and cholesterol.

The findings appear online in the journal Stress.

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