One in five American teenagers now suffers from some type of hearing loss, an increase of 31% since the mid-'90s, new research shows.
Most cases of hearing loss are slight, affecting only one ear and involving mostly high-frequency sounds, according to a study in today's Journal of the American Medical Association. Many teens may not even notice the hearing change. About one in 20 have "mild or worsening" hearing loss, which can make them struggle to follow conversations or teachers at school.
"It's very concerning," says study author Josef Shargorodsky, an otolaryngology/head and neck surgery resident at the Massachusetts Eye and Ear Infirmary in Boston.
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