Improving hearing health care for adults in the United States is an urgent public health problem, and contributing to solutions is a priority for NIDCD. Approximately 15 percent of American adults, or 37.5 million people, report some degree of hearing loss. For many of these individuals, assistive technologies such as hearing aids could significantly improve their quality of life, yet only about one in four of those who could benefit from hearing aids has ever used them.| NIDCD
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