If you’ve been treated for low thyroid, chances are the real cause of your thyroid problem has gone undiagnosed. The fact is that the leading cause of low thyroid is surprisingly not a faulty thyroid, but an autoimmune condition known as Hashimoto’s thyroiditis. Despite high rates of Hashimoto’s, testing for thyroid antibodies is often overlooked by conventional doctors. If you have symptoms of low-thyroid, you need to understand these three key factors, so you aren’t a victim of misdiagnosis and inadequate treatment.