Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The term urinary tract infection (UTI) refers to bacterial infections of the urethra, bladder, ureters, and kidneys, which make the urinary tract the body's drainage system, which is responsible for removing wastes and extra water. More commonly in women than men, urinary tract infections can be prevented by cranberry juice and other cranberry supplements, a new study says. Learn more about UTIs and properties of cranberry in this book.