I've decided to describe Hashimoto's disease with the essay. I'm afraid that I am not a clinician, but surely I am able to give some essential information about that illness. As a doctor I've been working on that since 1986. Day by day, step by step I discovered Hashimoto's Thyroiditis. By the way, I've realised that it's the global problem. I do believe that it will be sightful trip to the inside of the human essence.