Hearing age estimates the age of your auditory system based on the highest frequency you can perceive. High-frequency hearing loss (presbycusis) begins in the late 20s and progresses with age.
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Did You Know?
The Mosquito anti-loitering device emits 17,400 Hz — audible to most under-25s but not adults. Teenagers repurposed it as a ringtone inaudible to teachers.
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