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Research Studies

The links below leave the DoD Hearing Center of Excellence website. The HCE does not endorse and is not responsible for the content of any of the links listed.

- The Noise Outcomes in Service members Epidemiology (NOISE) study is an ongoing epidemiological study of hearing health in U.S. military Service members and Veterans. The study is a joint effort between the Department of Veterans Affairs and the Department of Defense.  Since the NOISE study began collecting data in 2014, researchers have reached important milestones in data collection and research findings. For more about the study click here


The Military Health System has awarded The Noise Outcomes in Service Members Epidemiology (NOISE) study team the Outstanding Research Accomplishment Award. The team received the award during the 2022 Military Health System Research Symposium (MHSRS) on September 12, 2022. Led by Principal Investigator James Henry, PhD, and comprised of both Geneva researchers and Department of Veterans Affairs (VA) researchers, the team is recognized for its significant achievements in auditory rehabilitation research over the past year. This research effort is jointly conducted by the VA Rehabilitation Research & Development National Center for Rehabilitative and Auditory Research (NCRAR) and the Defense Health Agency Hearing Center of Excellence (HCE) with study sites at Joint Base San Antonio-Lackland and the Naval Medical Center San Diego.  

 NOISE Study video


For more about other current research studies and how you can participate, visit to search the national database for ongoing trials, contact information, and study outcome information.

Quick Fact


The most-common types of hearing protection are ear plugs and noise muffs.

About Us

The Hearing Center of Excellence fosters and promotes the prevention, diagnosis, mitigation, treatment, rehabilitation and research of hearing loss and auditory injury. It supports the development, exchange and adoption of best practices, research, measures of effectiveness and clinical care guidelines to reduce the prevalence and cost of hearing loss and tinnitus among Warriors and Veterans. Read more

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