Hearing loss can happen so gradually that it can go unnoticed until it’s too late. Then, even a hearing aid may not help. Most hearing loss is due to noise over a lifetime. While loss of hearing may result from a single exposure to a noise or explosion, such traumatic losses are rare. Most cases of hearing loss begin gradually in frequencies slightly above that of human speech and then subtly spread to lower and higher frequencies.
UNDERSTAND HEARING DAMAGE
Hearing loss can occur when exposed to 85 decibels of noise averaged over 8 hours. Normal conversations typically occur at 60 decibels, […]This content is for BHHC Safety Center policy holders.
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