By some estimates, 30 to 40 percent of the population in the United States may suffer from undiagnosed hypothyroidism, or low levels of the thyroid hormones. The thyroid gland, in concert with the pituitary gland, produces hormones that have far-reaching effects on virtually every other part of the body. This self-test will help you determine if you may have lower than optimal levels of thyroid hormones.
Symptoms of deficiency may include:
Weight gain
Cold hands and feet
Dry skin and hair
Constant fatigue
Slowed-down movement and thought
Problems with memory and/or concentration
Depression