““So people feel tired, wired, and stressed at the same time. In one group of patients with rapid cycling bipolar disorder, more than 50 percent had hypothyroidism. Experts conservatively estimate that one-third of all depressions are directly related to thyroid imbalance. More than 80 percent of people with low-grade hypothyroidism have impaired memory function. Low thyroid is associated with a host of symptoms and problems, such as: Feeling cold when others are hot Weight gain Constipation Fatigue High cholesterol High blood pressure Dry, thinning, or losing hair, especially the eyebrows, where the outer third are often missing””