Hypothyroidism has several causes. The first of which is a deficiency of iodine. Iodine is found in shellfish, shrimp, salt, and other foods. If a person does not get enough of these foods, they will not receive the proper amount of iodine that the thyroid needs to function at its best.
Introduction. Japanese samurai were warriors of the shogun rulers during feudal times. While their origins are unknown, what is known is that they were fearsome in combat and were fast on horseback. In the 8th century, Japan's government sent warriors to subdue barbarians in northern Honshu.amurai were expected to be fearless, loyal servants of the samurai lords, the daimyo, while leading a plain and simple life. These warriors made up a very small portion of the Japanese population, while the rest of the population were farmers, merchants, priests, monks and artisans.
The Tokugawa shogunate, also known as the Tokugawa bakufu (å¾³å·å¹åº) and the Edo bakufu (æ±æ¸å¹åº) , was the last feudal Japanese military government which existed between 1603 and 1868. The heads of government were the shoguns, and each was a member of the Tokugawa clan.egardless of the political title of the Emperor, the shoguns of the Tokugawa family controlled Japan. The administration (ä½å¶, taisei) of Japan was a task given by the Imperial Court in Kyoto to the Tokugawa family, which they returned to the court in the Meiji Restoration.