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Traffic noise has several negative effects, including increased risk for coronary artery disease, with night-time exposure to noise possibly more harmful than day-time exposure. [2] It has also been shown to increase blood pressure in individuals within the surrounding residential areas, with railways causing the greatest cardiovascular effects.
Anthropogenic noise can have negative effects on invertebrates that aid in controlling environmental processes that are crucial to the ecosystem. There are a variety of natural underwater sounds produced by waves in coastal and shelf habitats, and biotic communication signals that do not negatively impact the ecosystem.
Epidemiological investigations have shown that the negative effects of sound annoyance include "a feeling of resentment, displeasure, dissatisfaction, discomfort or offence when noise interferes with someones thoughts, feelings or actual activities". [3] Besides that, unwanted sounds can mask the positive indicators of safety. [4]
The Environmental Noise Directive (END) was created in the European Union to provide guidelines, laws, and standards in the management of environmental noise. The END has created noise mapping, noise action plans, and quiet areas to control environmental noise and the negative effects it can have on individuals. [22]
Health Impacts of Automobility. The negative externalities can be substantial, [5] [6] since the driver does not take into account, for example, the negative effects of air pollution on third parties, when they opt to drive their car.
Safe listening promotes strategies to prevent negative effects, including hearing loss, tinnitus, and hyperacusis. While safe listening does not address exposure to unwanted sounds (which are termed noise) – for example, at work or from other noisy hobbies – it is an essential part of a comprehensive approach to total hearing health. [8]
Smart White Noise Machine. With 10 volume settings and thousands of positive reviews, this white noise machine from SNOOZ is anything but a snoozefest—and it comes with an easy-to-use app for ...
This "protective effect" had long been thought to involve the active mechanisms of the outer hair cells and the efferent system commanding them. [80] The contractile effect of the outer hair cells, activated by the efferent nervous system has been proven to provide a protective effect against acoustic trauma. [119] Cross-section of the cochlea.