Have you ever felt that indeed your thyroid gland is underfunctioning and this could be the reason for your health concerns. Do you have fatigue, weight gain, irregular cycles, constipation, dry skin and always feel cold? Maybe it is your thyroid? Dr. Wycoff presents a comprehensive overview to help you understand thyroid function and thyroid tests and tells you precisely what tests to ask your doctor for. He also explains the barriers for inactive to active thyroid conversion.