Noise Pollution- Causes, & Preventive Measures
Noise is usually defined as unwanted sound or a sound without value that causes discomfort to the listener. Noise is usually measured in units of decibels and is denoted by dB. 1. On human beings:- • Mental health Exposure to intense levels of noise can cause personality changes and violent reactions. Noise has also been shown to be a factor that attributed to violent reactions. Psychological health effects from noise include depression and anxiety stress. Individuals who have hearing loss, including noise induced hearing loss, may have their symptoms eased with the use of hearing aids. Individuals who do not seek treatment for their loss are 50% more likely to have depression than their aided peers. These psychological effects can lead to detriments in physical care as reduced self-care, work-tolerance, and increased isolation. • Physical health Exposure to loud sound or longer exposure causes threshold shift. Noise-induced threshold shifts are seen as a notch on an audiogram from