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CERA Ear Clinic

Ear Health Education

Comparison of an open ear canal, where low-pitched sound escapes, and a sealed ear canal, where it is trapped and up to 30 dB louder. CERA Ear Clinic.
Ear Cleaning

Do AirPods Cause Ear Wax Buildup?

There is no good evidence that earbuds cause wax buildup. What is well measured is why a sealed ear canal feels blocked, and how to tell that from a blockage worth looking at.