Natural relief for urinary tract infections and kidney stones   Your kidneys are bean-shaped organs, each about the size of your fist. They are located near the middle of your back, just below the rib cage. Kidneys are sophisticated reprocessing machines in the body. The kidneys are powerful chemical factories that perform the following functions: Remove waste products from the body Remove medication from the body Balance the body’s fluids Release hormones that regulate blood pressure Produce an active form of vitamin D that promotes strong, healthy bones Control the production of red blood cells Your kidneys are vital to...