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.
The world's largest country in terms of both area and population, Russia, lies in Europe. According to recent estimates, its total area is found to be 3,960,000 square kilometers. This area is 1.8 times bigger than the size of the US.