Preserving workers’ hearing health by improving earplug efficiency

IMAGE: Ear canal modelisation view more  Credit: ÉTS Noise exposure accounts for 22% of worldwide work-related health problems. Excessive noise not only causes hearing loss and tinnitus, but also increases the risk of cardiovascular diseases. To provide protection, workers normally wear earplugs. However, commonly available earplugs are often uncomfortable, since they don’t fit everyone’s ears equally […]