A blood test can check the amount of hormones that your thyroid is making. Many factors can affect these levels. (Photo credit: Jarun011/Dreamstime) A TSH test is done to find out if your thyroid ...

The thyroid is the regulator of your metabolic rate, akin to the idle in your car. It adjusts its influence on your “peppiness” on a millisecond to millisecond basis. To properly test its ...

Thyroxine (T4) levels differ from person to person but usually exist within a consistent range. Abnormal T4 levels can lead to various symptoms and complications, including mental health and digestive ...

Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...

Please provide your email address to receive an email when new articles are posted on . Researchers created thyroid function reference ranges adjusted for age, sex and racial-ethnic background. Using ...

It’s often a standard blood test for middle-aged women: A blood check to see if the thyroid’s working right. But is it worthwhile if someone doesn’t have any symptoms? It’s too soon to say, federal ...

ATHENS, Ohio — The U.S. Food and Drug Administration has cleared for market a new thyroid test by Diagnostic HYBRIDS, the diagnostic test developer that has an office and laboratory in Cleveland, ...

A TSH test measures the level of thyroid-stimulating hormone in your blood. Abnormal TSH levels typically indicate a problem with your thyroid, like hypothyroidism or hyperthyroidism. In rare cases, ...