Secondhand smoke,YouTube

Secondhand smoke may increase the risk of hearing loss.Those that don't smoke aren't as high a risk but don't rule it out as a possibility.Various percentages of former smokers is effected  depending on their exposure to the secondhand smoke

Research and various studies  found that over 46% of former smokers who had been exposed to secondhand smoke had a high frequency rate of hearing loss and made speech sound muffled.

Doctors have already established that smokers can damage their hearing which holds true to passive smokers as well.

Research found what happens is that the smoke will damage your blood vessels in the ear which starves the organ of oxygen. The bottom line is damage to hearing.

Smoking and hearing loss: