Long-term exposure to ultra-high decibel sounds such as shooting and explosion without proper protection may cause hearing damage, which is called “knock deafness”. Artillery often suffers from “knock deafness”. Manifestations of blast deafness The damage of noise to ears generally develops from temporary hearing loss to permanent hearing loss. At first, you may only feel the buzzing of your ears, that is, tinnitus, and then slowly progress to hearing loss. People who have been exposed to strong noise for a long time may also feel headache and dizziness, which will affect sleep and cause problems such as increased blood pressure, decreased immune function, gastrointestinal discomfort, etc. With the extension of the exposure time to noise, or the hearing loss caused Read More …