Hashimoto's Thyroiditis. Also called Hashimoto's disease, Hashimoto's thyroiditis is an autoimmune disease, a disorder in which the immune system turns against the body's own tissues. In people with Hashimoto's, the immune system attacks the thyroid.
According to the U.S. Census Bureau, the county has a total area of 4,751 square miles (12,310 km 2), of which 4,058 square miles (10,510 km 2) is land and 693 square miles (1,790 km 2) (15%) is water.
Los Angeles Population Density. Based on the 2010 census data, Los Angeles had a density of 7,544.6 people per square mile (2,910/square kilometer). While it's the second-most populous urban area, Los Angeles is the single most densely populated area in the United States.