Presbycusis – The Reason Adults Can’t Hear the Teen Buzz Ringtone

Presbycusis also commonly spelled presbyacusis is a common degenerative condition that affects most of the adult human population. People who are affected by presbycusis usually start losing the ability to hear higher frequency noises ( > 17khz ) around the age of 18 and will progressivly deteriorate throughout their later years in life. The association [...]