A new study on thyroid functionality may prove helpful for doctors to decide when to treat people with an underactive thyroid gland that doesn’t have any worrying symptoms.

Almost 27 million people in the US have some sort of thyroid problem and more than half of these people have not been diagnosed with the disease, the American Association of Clinical Endocrinologists says.

According to Dr. Anne R. Cappola, who is an assistant professor of medicine and epidemiology at the University of Pennsylvania, “At this point, it is not clear how to manage older people with subclinical thyroid dysfunction.” The findings of the study will be published in the Journal of the American College of Cardiology in its Sept.30 issue.
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