Definition of the MEN Syndromes MEN stands for "Multiple Endocrine Neoplasia". The MEN syndromes are conditions which cause overactivity and enlargement in certain endocrine glands. MEN syndromes are usually (but not always) inherit
Since hypothyroidism is
caused by too little thyroid hormone secreted by the thyroid, the diagnosis of
hypothyroidism is based almost exclusively upon measuring the amount of thyroid hormone in
the blood. There are normal ranges for all thyroid horm
Some information on this page is a little more advanced. If you have trouble understanding the process of normal thyroid function, please go to our page describing this process first.