People who are exposed to second-hand smoke from others' cigarettes are at increased risk of hearing loss, experts believe.

Doctors already know that people who smoke can damage their hearing.

The latest study in the journal Tobacco Control, involving 3,000 US adults, suggests the same is true of passive smoking.

Experts believe tobacco smoke may disrupt blood flow in the small vessels of the ear

- BBC Ceefax 16/11/2010

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Wow that is insane! What's crazy is how we never stop learning all the detrimental health factors from second hand smoking.