Noise-cancelling headphones can block unwanted external noise at work, on public transportation or during exercise. According to the report titled, "Noise Cancelling Headphones Market," The noise cancelling headphones market was valued at $13.1 billion in 2021, and is estimated to reach $45.4 billion by 2031. However, using noise-canceling headphones may be damaging YOUR brain, doctors are now warning. 
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