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 is an area of scholarship that was largely overlooked in favor of its splendid neighbor, Egypt. Past finds in the area were attributed to Egypt; current excavation of the area is impossible because of Egypt's construction of the High Aswan Dam.