At the base of the neck, just over the collarbone is your thyroid. The thyroid is a gland that is shaped like a butterfly. This gland helps to determine how quickly a person burns off calories, how fast your heart…
At the base of the neck, just over the collarbone is your thyroid. The thyroid is a gland that is shaped like a butterfly. This gland helps to determine how quickly a person burns off calories, how fast your heart…