Medically reviewed by John Carew, MD Key Takeaways Earwax buildup can cause crackling sounds in the ear. Swallowing, chewing, ...

As the father of two deaf sons and the author of a book on the history of cochlear implants, I thought I knew a bit about hearing problems. I was still shocked by an e-mail I received some months ago.

A recently published study examined the occurrence of hyperacusis in patients with attention deficit hyperactivity disorder (ADHD). Results showed a statistically higher prevalence of hyperacusis in ...