From the author of the New York Times bestseller The Autoimmune Solution, a comprehensive, accessible overview of thyroid problems that will help you learn to identify the warning signs and finally take back your health. Are you exhausted all the time, plagued by brain fog, and unable to lose weight? Do you struggle with insomnia, panic attacks, and tremors? But does your doctor insist that your labs are normal, and that you just need to eat less and exercise more? As anyone who has been there knows, nothing is more frustrating, stressful, and emotionally draining than feeling unwell and being told you're fine by the very person who is supposed to heal you. The truth is, your symptoms could be caused by a thyroid disorder--the hidden cause behind a wide array of health problems that can threaten to ruin your life. Thyroid dysfunctions like Hashimoto's disease, hypothyroidism, and hyperthyroidism affect at least 20 million Americans and yet conventional medicine frequently misses the diagnosis. The scari