Outdoor noise can be caused by the operation of machinery, construction or music performances, especially in some workplaces. Deafness due to noise can be caused outside (eg trains) or inside (music, for example).
High levels of noise can contribute to cardiovascular diseases in humans such as coronary artery disease. [4] In some animals, excessive noise can increase the risk of death by changing predators, hindering the detection of prey, reproductive difficulties and can cause permanent hearing loss. far.