The World Health Organization estimates that by 2050, nearly 2.5 billion people are projected to have some level of hearing loss. And while hearing loss is common, especially as you get older, exposure to loud noises has become a major contributing factor. Other factors, such as excessive earwax, can temporarily reduce how well your ears conduct sounds as well.
But what is deafness and hearing loss, really? And can it be reversed? Click on to find out.