Smoking and Obesity Could Lead to Hearing Loss: Study

by VR Sreeraman on  June 11, 2008 at 6:32 PM Research News   - G J E 4
 Smoking and Obesity Could Lead to Hearing Loss: Study
A new study has found that obesity and smoking could be linked to permanent loss of hearing.

However, the study, led by Erik Fransen in Professor Guy Van Camp's research team at the University of Antwerp, also showed that alcohol has a protective effect.

The study found that smoking, being over-weight and occupational noise are risk factors in the most common type of hearing loss.

In contrast, moderate alcohol consumption (at least one drink a week) was seen to have a protective effect.

In the study, one alcoholic drink was defined as one glass of wine, spirit or beer. The effect of heavy drinking was not investigated.

This large European study involved nine audiological centers in seven countries.

A total of 4083 people between 53 and 67 years old took part. Participants filled out a questionnaire on their exposure to potential environmental risk factors and their medical history.

Their hearing was also tested. The data were analyzed for associations between potential risk factors and hearing loss.

The effects of smoking and alcohol consumption have been studied in the past, but previous research results were not conclusive.

The new research also confirms that exposure to noise contributes to hearing loss in later life - exposure to excessive noise is the major avoidable cause of permanent hearing loss worldwide, according to the World Health Organization.

Fransen and his colleagues conclude: "Hearing loss has always been considered an inevitable part of ageing, but more and more studies seem to indicate this is not necessarily true. Apparently a healthy lifestyle can be beneficial for hearing conservation at higher ages."

The study is published online in Springer's Journal of the Association for Research in Otolaryngology (JARO).

Source: ANI

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