Scientists discover a ‘chemical ear muff’ drug that could protect hearing without muting all sound in an effort to prevent auditory problems suffered by a quarter of US soldiers

Hearing loss could be prevented by an injection dubbed ‘chemical earmuffs’ by scientists.

Biologists say they have discovered a way to preventing the damage caused by loud noises while not muffling the sound.

Funded by the US Department of Defence, the successful testing gives hope soldiers will one day be able to take a hearing-protection drug before being exposed to gunshots.

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