Some specialists suspect that constantly filtering out background noise may have unintended consequences
They are prized for making the commute more bearable and shielding against the din of daily life. But noise-cancelling headphones have come under scrutiny after audiologists raised concerns that overuse might impair people’s hearing skills.
While the technology has clear benefits, not least in helping people listen to music at lower volume, some specialists suspect that constantly filtering out background noise may have unintended consequences.
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