Hair strands have information about one's stress level, which in turn could be an indication of whether a person will be exposed to more serious illness.
Unlike blood tests that could indicate hormone cortisol in one time, strands of hair can provide information about the hormone cortisol in the period of one month.
In their research, scientists found that adults and older people have higher cortisol are more susceptible to heart disease.
"As with high blood pressure or abdominal fat, this study shows that the increase in the hormone cortisol indicates a person's risk of heart disease," said one researcher Laura Manenschijn of Erasmus MC, Rotterdam.
She added that the base of the hair have information about the level of the hormone cortisol and its changes can be used as an effective tool for analyzing the risk of heart disease, as quoted by the Daily Mail.
these results the researchers found 283 people in the group aged 65-85 years. They use three cm long strands of hair that stores information about the hormone cortisol for three months.
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People who are known to have high levels of the hormone cortisol also susceptible to coronary heart disease, stroke, and diabetes. Not only that, hair analysis is also known to show a person's risk of developing food allergies.
