Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

If there's one health test I've seen most women in my family talk about at least once in their lives, it's the thyroid test. My mother has hypothyroidism. My maternal aunt had hypothyroidism. My ...

The thyroid is a butterfly-shaped gland that sits in the front of the neck. It produces hormones that are essential for heart rate, digestion, mood, and other functions crucial to human health.

New research shows that standard thyroid test ranges may misclassify many patients, especially when age, sex, and race aren’t factored in. Adjusted reference intervals significantly changed diagnoses ...