Hashimoto's Autoimmune Thyroid Disease is the single-most prevalent autoimmune condition today, and it is estimated to be the root cause of 90% of hypothyroidism in America. One reason is that it's fairly easy to detect (there are 2 antibodies that are diagnostic), but it's also just really common in today's society filled with fast food, fast lives, and toxins. The immune system "attacks" the thyroid and gradually damages the gland until it eventually becomes truly "hypothyroid", but along that road the autoimmune process is also associated with many other symptoms, including...