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This is a spare 'blog in case my main 'blog at markwadsworth.blogspot.com isn't working
From the BBC:
Passive smoking nearly doubles a teenager’s risk of hearing loss, research reveals.
Investigators say the findings, from a study of over 1,500 US teens aged 12 to 19, suggest that secondhand tobacco smoke directly damages young ears. And the greater the exposure the greater the damage. Often it was enough to impair a teen’s ability to understand speech, Archives of Otolaryngology – Head & Neck Surgery reports.
It is still unclear how much exposure could be harmful and when the damage might occur. Experts already know that smoke increases the risk of middle ear infections. And they believe it may also harm the delicate blood supply to the ear causing “subtle yet serious” changes. For these reasons, as well as other smoke-related health risks, they say the best advice is to avoid any exposure to tobacco smoke as far as is feasible.
I suppose this is a gift to teenagers who ignore their parents though, 21% of them will have a Right-On excuse.