Hypothyroidism means that the thyroid gland canât make enough thyroid hormone to keep the body running normally. People are hypothyroid if they have too little thyroid hormone in the blood. Common causes are autoimmune disease, surgical removal of the thyroid, and radiation treatment.ypothyroidism means that the thyroid gland canât make enough thyroid hormone to keep the body running normally. People are hypothyroid if they have too little thyroid hormone in the blood. Common causes are autoimmune disease, surgical removal of the thyroid, and radiation treatment.
Russia is easily the largest country in the world at 17,078,000 sq km. China is the fourth largest at 9,579,000 sq km.
When observing landmass, for instance, Russia is the largest country in the world at 6,592,771 square miles with Canada's 3,854,082 square miles placing it well behind Russia in second, and the United States at just under that with 3,717,727 square miles of landmass to its name.