Gout causes a painful, swollen joint that's so severe that the weight of bed sheets can cause distress. There may also be more than one joint affected with gout. With gout, uric acid -- a normal chemical in the body -- forms crystals that deposit in the joints, causing inflammation and pain.
China has been the source of many innovations, scientific discoveries and inventions. This includes the Four Great Inventions: papermaking, the compass, gunpowder, and printing (both woodblock and movable type). The list below contains these and other inventions in China attested by archaeology or history.
The Chinese civilization has made countless contributions to the world, including the invention of compass, paper, gunpowder, silk, noodle, porcelain, and paper money and other things that are a part of our lives today. There were also many great works of architecture, such as, the Great Wall. The Chinese is the only of the four greatest ancient civilizations that managed to survive throughout the five thousand years of its history and one of a few ancient civilizations that have lasted into modern times.