1 Hypothyroiditis can occur if the thyroid gland does not function correctly, or if it is not stimulated properly. 2  The most common cause of hypothyroidism in the US is Hashimoto's disease. 3  Symptoms of hypothyroidism include fatigue, cold intolerance and joint and muscle pain.ypothyroidism is a condition that occurs when the thyroid gland does not produce enough thyroid hormones to meet the needs of the body. The thyroid creates two thyroid hormones, triiodothyronine (T3) and thyroxine (T4) that regulate metabolism. They also affect the following: 1.
Other Attempts in Modifying the System. With Peter Goldmark leading the group of CBS researchers, Goldmark invented a particular mechanical color TV system in 1940. This system was actually based on John Logie Bairdâs designs in 1928. But this didnât last long in the market.
When did color tv's become common in the average household? The KGB Agent answer: While the first color television was introduced in the US in 1953, it wasn't until the late 1960s and early '70s that color televisions became commonplace. Color sets did not outsell black-and-white sets until 1972. A German patent dating to 1904 contained the first proposal for a color television system, however, it failed, along with a second attempt in 1925.