Shingles is caused by the varicella-zoster virus â the same virus that causes chickenpox. Anyone who's had chickenpox may develop shingles. After you recover from chickenpox, the virus can enter your nervous system and lie dormant for years.
Hearing loss, also known as hearing impairment, is a partial or total inability to hear. A deaf person has little to no hearing. Hearing loss may occur in one or both ears. In children hearing problems can affect the ability to learn spoken language and in adults it can cause work related difficulties.
Noise-Induced Hearing Loss. Noise-Induced Hearing Loss (NIHL) occurs when loud noise damages the working of the inner ear and causes hearing loss. It can be the result of a one-time exposure to an intense impulse sound, such as an explosion, or by continuous exposure to loud sounds over an extended period of time. Roughly 20% of adults in the US, about 48 million people, report some degree of hearing loss. At age 65, 1 out of 3 people have hearing loss. (1) According to the American Tinnitus Association, Noise-Induced Hearing Loss (NIHL) and tinnitus is currently the number one service connected disability of veterans returning from Iraq and Afghanistan.