BUFFALO, N.Y. — Removing ear wax may sound humorous, unless you need it done. Then it can be a personal emergency that can hinder hearing and cause pain. The need is more prevalent among older people.

Ear wax, or cerumen, is a natural substance that helps protect and lubricate your ears. However, when it builds up excessively, it can cause discomfort, muffled hearing, and even infections. While a ...