percentage of poeple with thyroid condition
Prevalence and Impact of Thyroid Disease. More than 12 percent of the U.S. population will develop a thyroid condition during their lifetime. 1  An estimated 20 million Americans have some form of thyroid disease. 2  Up to 60 percent of those with thyroid disease are unaware of their condition. Hyperthyroidism, another form of thyroid disease, is a condition causing the gland to produce too much thyroid hormone. 2  Symptoms include irritability, nervousness, muscle weakness, unexplained weight loss, sleep disturbances, vision problems and eye irritation.