Hyperthyroidism is a condition in which an overactive thyroid gland is producing an excessive amount of thyroid hormones that circulate in the blood.(Hyper means over in Greek). Thyrotoxicosis is a toxic condition that is caused by an excess of thyroid hormones from any cause.Thyrotoxicosis can be caused by an excessive intake of thyroid hormone or by overproduction of thyroid hormones by the thyroid gland.hyrotoxicosis is a toxic condition that is caused by an excess of thyroid hormones from any cause. Thyrotoxicosis can be caused by an excessive intake of thyroid hormone or by overproduction of thyroid hormones by the thyroid gland.
The government was formed in 1789, making the United States one of the world's first, if not the first, modern national constitutional republics. The United States government is based on the principle of federalism, in which power is shared between the federal government and state governments.
Federalism is the division of government between the national, state or provincial, and local levels. The United States, for example, is a federal republic with states that have their own legal standing and authority independent of the federal government.