If you are one of the 20 million Americans living with thyroid disease or one of the thousands living undiagnosed, Dr. Raphael Kellman understands your suffering. Between inaccurate diagnosis, a wide spectrum of symptoms, and doctors who may not be familiar with the intricacies of thyroid dysfunction, it’s hard to get the treatment you need. While general hypothyroidism and Hashimoto’s thyroiditis are the most commonly known thyroid issues, there is an underdiagnosed and yet incredibly prevalent condition: Non-thyroidal Illness Syndrome (NTIS). It can cause unexplained fatigue, memory issues, problems with focus and decision making, and even dementia, and affects as many as 20% of Hashimoto’s sufferers.