Hyperthyroidism is a condition where your thyroid overproduces a hormone called thyroxine. The thyroid is a butterfly shaped organ on the front of your neck. Its job is to regulate how your body uses energy.
Hyperthyroidism is a condition where your thyroid overproduces a hormone called thyroxine. The thyroid is a butterfly shaped organ on the front of your neck. Its job is to regulate how your body uses energy.