Noisy environment is the second most common cause of hearing loss (after aging), according to the CDC.
Guangzhou, China, ranked the worst of the 50 cities in terms of hearing loss and noise pollution, while Zurich, Switzerland, was ranked the best.
http://www.rd.com/health/wellness/noise-induced-hearing-loss/
Guangzhou, China, ranked the worst of the 50 cities in terms of hearing loss and noise pollution, while Zurich, Switzerland, was ranked the best.
http://www.rd.com/health/wellness/noise-induced-hearing-loss/