Centers for Disease Control and Prevention (CDC). Too Loud! For Too Long! Loud noises damage hearing.
Centers for Disease Control and Prevention (CDC). Hearing Difficulties Among Adults: United States.
Department of Defense (DoD). Hearing Center of Excellence.
Food and Drug Administration. Proposed Rule for Over-the-Counter Hearing Aids
National Institute of Deafness and other Communication Disorders (NIDCD). Noise-Induced Hearing Loss.
National Institute for Occupational Safety and Health (NIOSH). Noise and hearing loss prevention.
Occupational Safety and Health Administration (OSHA). Preventing Hearing Loss Caused by Chemical (Ototoxicity) and Noise Exposure.
World Health Organization (WHO). Make Listening Safe.
WHO. World Report on Hearing.
Wikipedia. Safe Listening.
This page will be updated regularly as new, reliable information becomes available