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Smoking may cause hearing loss: study

Press Trust of India  |  Tokyo 

may significantly increase the risk of hearing loss, a study of more than 50,000 participants over 8 years has found.

Researchers from for Global and analysed data from annual checkups, which included audio testing performed by a and a health-related lifestyle questionnaire completed by each participant.

They examined the effects of status (current, former, and never smokers), the number of cigarettes smoked per day, and the duration of cessation on the extent of

Even after adjusting for factors including occupational noise exposure, researchers noted a 1.2 to 1.6 increased risk of among current smokers compared with never smokers.

While the association between smoking and high-frequency was stronger than that of low-frequency hearing loss, the risk of both high- and increased with cigarette consumption.

The increased risk of hearing loss decreased within five years after quitting smoking.

"With a large sample size, long follow-up period, and objective assessment of hearing loss, our study provides strong evidence that smoking is an independent risk factor of hearing loss," said of for Global and

"These results provide strong evidence to support that smoking is a causal factor for hearing loss and emphasize the need for tobacco control to prevent or delay the development of hearing loss," said Hu of the study published in the journal Nicotine and Tobacco Research.

(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)

First Published: Wed, March 14 2018. 15:55 IST