How Accurate is TSH Testing? Hypothyroidism is a common disorder where there is inadequate cellular thyroid effect to meet the needs of the tissues. Typical symptoms of hypothyroidism include fatigue, weight gain, depression, cold extremities, muscle aches, headaches, decreased libido, weakness, cold intolerance, water retention, premenstrual syndrome (PMS) and dry skin. Low thyroid causes or … Continue reading How Accurate is TSH Testing?