When it came out in Britain in December, the Mosquito sound system was supposed to be the sonic equivalent of a "no loitering" sign. Its annoying, high-pitched sound -- which many adults can't hear ...
Imagine if every moment is filled with a high-pitched buzz or ring that you can't turn off. More than 25 million adults in the U.S., have a condition called tinnitus, according to the American ...
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