World Noise Day: Say no to “invisible pollution”

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"?

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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

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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.