Hearing Protection Supplement by NIOSH and NHCA

International Journal of Audiology is the dedicated supplemental issue the recently published by the National Hearing Conservation Association (NHCA).

This issue includes research that highlights:

  • Lessons learned from the use of new methodologies in studying hearing sensitivity after exposure to drug therapies that may cause hearing damage
  • Potential barriers to implementing engineering noise controls in manufacturing
  • NIOSH-supported research on major sources of noise in daily working life
  • NIOSH-supported research on how different hearing protection devices perform across a wide range of impulse sounds
  • The effectiveness of hearing protection-enhancement devices for gunshots
  • The history and impact of the NIOSH and NHCA Safe-in-Sound Excellence in Hearing Loss Prevention Award™

To view the full article, visit:


To view the special supplemental issue, visit:


For classes on Hearing and Noise conservation, visit:


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