Did you know that, "most smartphones can producing volumes of up to about 120 decibels? Above ..."85 decibels, the threat to hearing rises and after two hours of listening to a device at 91 dB the child has incurred a similar level of exposure to working a shift in a noisy factory where hearing protection would be required by law,..." 

Loud music just as addictive as smoking, expert says

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Welch says global studies show around 14 per cent of children may have noise induced hearing loss which could be a result of prolonged exposure to personal listening devices.

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