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Dr Ajit Man Singh
Senior Consultant ENT & Head and Neck Surgery, Max Healthcare, New Delhi


A hearing aid is an electronic, battery-operated device that amplifies and changes sound to allow for improved communication. Hearing aids receive sound through a microphone, which then converts the sound waves to electrical signals.


Adults who experience hearing loss are at a higher risk of dementia and perhaps Alzheimer's disease than those who don't suffer hearing loss.

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Sudden loud noises, like bomb blasts, or even Diwali crackers, can cause sudden and permanent hearing loss.


With increasing age, quite a few people experience a decline in their ability to hear. Continued exposure to loud sounds, intake of some medicines or...