Noise is called 'The Invisible Killer' Especially in the process of urban development In the case of aggravated The types of noise are more diverse The harm to human health is even more serious April 16 World Noise Day How much do you know about "noise"? (Image copyright gallery, no permission to reprint) Noise is a type of Causes irritation Or the sound volume is too loud and harmful to human health From the perspective of environmental protection Anything that prevents people from resting normally Sound of learning and working And the voice that people want to hear Disturbing sound All are noise From the perspective of physics Noise is when a sound-emitting body vibrates irregularly. The sound Noise-induced hearing loss Expert research proves Noise in the home The main cause of deaf-muteness in children If you live in a noise environment above 85 decibels Up to 5% of people are deaf generally The intensity of normal conversation 60 to 70 decibels When the ambient noise level during a phone call is 60 decibels Can hear what the other person means Noise exceeds 70 decibels You will not be able to communicate and use the phone normally. Under the influence of strong noise Disturbance of the balance between excitation and inhibition in the cerebral cortex Damage to cerebral vascular tone and changes in EEG Severe cases may cause exudative bleeding If you don't get timely recovery Will cause headaches and brain swelling Clinical symptoms such as decreased neurobehavioral abilities (Copyrighted image from the gallery, no permission to reprint) Did you know? It turns out that noise can also make you fat! Want to escape the noise? You should do this! Noise Rejection Start with me The city we live in More quiet Add points to your health! Comprehensive sources: CCTV News, Great Wall Network, Chengdu Business Daily, etc. |
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