Middle English, from Medieval Latin, from Latin, moon â more at lunar. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.ote that some information is displayed differently in the Unabridged. To access the complete Unabridged Dictionary, with an additional 300,000 words that aren't in our free dictionary, start a free trial.
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.
In the United States Hashimoto's thyroiditis is the most common cause of hypothyroidism. How Many People Have Thyroid Disorders? In the United States, an estimated 27 million people suffers from a thyroid disease. About half of these people do not get their thyroid disorder diagnosed or treated. According to statistics, women are more prone to thyroid problems than men, as 8 out of 10 diagnosed patients are women. Is Hypothyroidism Hereditary? Hypothyroidism is hereditary.