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    2 days ago

    Six months later, all 10 showed considerable hearing improvement, with the average volume of perceptible sound improving from 106 decibels (very loud) to 52 (much fainter).

    They’re understating that a bit; that’s an increase in sensitivity of over five orders of magnitude. 106 decibels is about as loud as a chainsaw; 52 is on par with a normal conversation.