An underactive thyroid can trigger everything from weight gain to thinning hair to plummeting energy levels. Fortunately, giving the small, butterfly-shaped gland in the front of the neck some ...

Your thyroid is a small, butterfly-shaped gland in the front of your neck. Its main job is to produce thyroid hormones, which help regulate your body's metabolism and control your heart rate, body ...

Thyroid-stimulating hormone (TSH) prompts the thyroid gland to increase hormone production. Your body uses TSH to control thyroid hormone levels. TSH ensures you have the thyroid hormones to regulate ...

Thyroid hormone replacement is a medication you take to replace hormones if your thyroid isn’t producing enough or if your thyroid has been removed. Thyroid hormone replacement typically involves ...