You may have heard of the thyroid gland. It's a small butterfly shaped organ near your voice box that releases hormones to control how your body uses energy, helps regulate heart rate and blood pressure, makes protein and affects mood. The thyroid also produces some hormones that help regulate our menstrual cycle in women. So what does all this mean? Your thyroid is one of the most important organs in your entire body! But there are many things that can go wrong with it too...