Noise pollution can damage human hearing

Noise pollution in urban areas is closely related to human hearing loss. This fact is reflected in the survey results in 50 major cities around the world announced March 3, World Hearing Day (World Hearing Day).

According to the results of the survey, the most serious degree of hearing loss is recorded in the subjects who live in the most noisy cities in the world such as Guangzhou (China), New Delhi (India). India) and Cairo (Egypt), Istanbul (Turkey).

Meanwhile, residents living in Zurich (Switzerland), Vienna (Austria), Oslo (Norway) and Munich (Germany) - the least noise-stricken cities in the world have low hearing loss. Best.

Guangzhou, one of the most noisy cities in the world. (Source: chinatravelca).

According to the survey, the research group of Mimi Medical University and Charite in Berlin (Germany) concluded the status of "aging" the residents ' hearing in the most noise-polluted cities in the world 10 years faster than residents living in cities with the least noise pollution.

To get the results of the survey, researchers collected information on ranking the quietest and quietest cities in the world. Next, scientists tested the hearing of 200,000 people from the above cities with a test conducted through mobile phones.

Through this study, scientists want to raise awareness about hearing protection before the impact of the environment.

Also on March 3, World Hearing Day, the World Health Organization (WHO) announced a report on the annual loss of hearing loss to the world from about 750 billion USD to 790 billion VND. USD, in which medical expenses for patients are up to USD 107 billion, the rest is economic losses due to labor resources affected by hearing loss.

The French medical journal The Lancet recently considered the phenomenon of hearing loss a "silent disease" and millions of people around the world still have not had access to appropriate treatment.