More than 35 million Americans have Hashimoto's, an autoimmune disease in which the body attacks the thyroid... and some people may not even know they have it.More than 35 million Americans have Hashimoto's, an autoimmune disease in which the body attacks the thyroid... and some people may not even know they have it. Symptoms can include weight gain, fatigue, hair loss, forgetfulness, acid reflux, IBS and chronic pain. Yet, the usual treatment with synthetic hormones doesn't resolve most of these symptoms and can have many life-altering side effects. In Hashimoto's Protocol: A 90-Day Plan for Reversing Thyroid Symptoms and Getting Your Life Back, author Dr. Izabella Wentz details how to reverse the autoimmune damage at the root of the disease. She talks to Dr. Roizen about her firsthand experience with Hashimoto's and how she turned her health around with lifestyle tweaks. She also outlines a 90-day plan to feel better that includes inflammatory foods to avoid, liver-boosting supplements to consider, and personalized treatment plans. Bonus! Does it Matter When You Exercise?