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.
Hearing is an important part of everyday life, yet most people donât realize when they are damaging their ears. Causes of hearing loss include infections, aging, and brain injury, but one of the most common is noise exposure. Noise-induced hearing loss (NIHL) can develop after one occurrence of extreme noise exposure or after listening to very loud sounds over time.