After years of debilitating bouts of fatigue, Beth VanOrden finally thought she had an answer to her problems in 2016 when she was diagnosed with Hashimoto's disease, an autoimmune disorder.
For her and millions of other Americans, that's the most common cause of hypothyroidism, a condition in which the thyroid, a butterfly-shaped gland in the neck, doesn't produce enough of the hormones needed for the body to regulate metabolism.
