Most UTIs are caused by bacteria that enter the urethra and then the bladder. The infection most commonly develops in the bladder, but can spread to the kidneys. Most of the time, your body can get rid of these bacteria. However, certain conditions increase the risk of having UTIs.
Nubia - an ancient region of northeastern Africa (southern Egypt and northern Sudan) on the Nile; much of Nubia is now under Lake Nasser Africa - the second largest continent; located to the south of Europe and bordered to the west by the South Atlantic and to the east by the Indian Ocean
Nubia. Civilization in Sub-Saharan Africa began in the land of Nubia, which denotes the region around the segment of the Nile River in northern Sudan and southernmost Egypt. Nubia was the southern neighbour of ancient Egypt, whose territory also lay along the banks of the Nile (see History of the Ancient Middle East).ubian merchants acted as middlemen in Egyptian trade with Sub-Saharan Africa, and Nubian warriors often served as mercenaries in the Egyptian army. 23. Nubian civilization was born ca. 2000 BC, with the rise of the city of Kerma (the first Sub-Saharan city).