Thyroid hormone plays a key part in the vascular regulation of body temperature
Researchers at Karolinska Institutet in Sweden have discovered a reason why people with disorders of the thyroid gland may be more sensitive to environmental temperature. According to the study, published in the Proceedings of the National Academy of Sciences (PNAS), a previously unknown link has been found between the effects of thyroid hormone on blood vessels, and how this in turn affects body temperature.Patients with hyperthyroidism (an overactive thyroid) or hypothyroidism (an underactive thyroid) often feel that they are too hot or too cold, respectively. The cause of this phenomenon