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.
These facts show why America is still the worldâs only superpower, and why that wonât change anytime soon. 1. Economics. Chinaâs economy is growing at an impressive rate. But itâs not just the size of an economy that mattersâitâs also the quality. According to the World Bank, GDP per capita in the US was $53,042 in 2013; in China it was just $6,807.