In medical terms, experiencing ringing in the ears is known as tinnitus. It can occur in one or both ears. The ringing is not an external sound, and other people cannot hear it. Nonetheless, this is quite a common hearing ailment that affects about 15 to 20 percent of people. It is more common in older adults. Thus, it is generally an age-related condition, but it can occur in certain cases due to an underlying healt. . .