Which risk increases as sustained exposure to 85dB noise rises, especially in the context of age-related hearing loss (presbycusis)?

💡 Explanation

As noise exposure increases, especially in individuals with presbycusis, the risk of selective cochlear hair cell damage increases because the hair cells, especially those sensitive to high frequencies, undergo mechanical stress and metabolic overload; therefore, hair cells degenerate in susceptible individuals, rather than other electrolyte changes or vestibular issues.

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