CONTRACEPTION 1996;53:221-229 KEY WORDS: latex condoms, latex stability, aging, shelf life, condom quality Introduction n the spring of 1987, the United States Public Health Service began to advocate the use of condoms to assist in the prevention of the spread of the HIV virus.
A bulging disc can put pressure on the nerve roots coming out from the spine, resulting in middle back pain. In addition, a problem in another part of the body, such as the heart or digestive organs, can radiate to the middle back. This is called referred middle back pain.
Many people sometimes mistake a pain caused by kidneys with back pain or middle back pain that is usually caused by muscles and ligaments problems. A kidney pain is normally felt in the flank area that is at the lower edge of the ribs on the side of the spine. If you feel a flank pain that tends to be severe and occurs in waves, that is most likely kidney pain. Kidney pain occurs anytime.