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 ...

An endocrinologist explains the five main types, how they behave, treatment options, and why knowing the exact type can ...

More than 20 million Americans have some form of thyroid disease, according to the American Thyroid Association, but up to 60 percent don't know it. A simple blood test to check your thyroid's hormone ...

The lab numbers doctors watch the closest (& you should, too) Your doctor orders blood work annually, reviews the results, ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Know how thyroid hormone affects your heart, from heartbeat and blood pressure to risks of hyperthyroidism and hypothyroidism ...

This article was originally featured on The Conversation. Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including ...

Underlying factors can make weight loss harder or more complex for some people. Blood tests for weight loss can give insight into thyroid function, nutrient deficiencies, and hormone levels affecting ...