<p>Thyroid hormone impacts metabolism and host of other tissues and organ function in the body.&nbsp; its deficit or excess has wide ranging implications leading to a myriad of symptoms. Hypothyroidism leads to low metabolism causing fatigue, constipation, hair loss, depression, and mental slowing. High thyroid levels causes&nbsp; high blood pressure, palpitations, increased heart rate, increased anxiety, tremor, irritability,&nbsp; and weight loss.</p>