It's estimated that 20 million Americans suffer from thyroid disorders. Paul Ruggieri, MD, and Scott Isaacs, MD, are thyroid specialists. They can help you understand the complex function of your thyroid gland and how your disorder can be diagnosed and treated. Among the topics Ruggieri and Isaacs cover: hypothyroidism, hyperthyroidism, thyroid nodules, thyroid problems during pregnancy, and thyroid cancer.