Frequently Asked Questions
The time it takes to sustain ear damage depends on the noise’s intensity and the exposure duration. Exposure to sounds above 85 decibels (dB) can cause hearing damage if sustained over prolonged periods, typically over eight hours a day. For louder sounds, such as those at 100 dB, damage can occur within 15 minutes. Deafening noises, such as gunshots or fireworks exceeding 120 dB, can cause immediate and permanent damage to the ear. The mechanism behind this damage involves destroying the delicate hair cells in the cochlea, which do not regenerate. These cells are essential for converting sound waves into electrical signals that the brain interprets as sound. Once these cells are damaged, the hearing loss is usually irreversible. Other factors, such as genetics, existing ear conditions, and overall health, can influence how quickly ear damage occurs. To prevent hearing loss, it is crucial to limit exposure to loud sounds, use ear protection in noisy environments, and follow safe listening practices, such as keeping the volume at a moderate level and taking regular breaks when using headphones or earphones.
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