The Effects of Population Density and Noise
Concept of Noise
Noise is unwanted sound and what may be a wonderful sound to one person may be noise to another. According to Noise: effects on health (2007) noise can cause stress, impair mental health; affect one’s sleep quality, performance, and cognition. A person whom is exposed to long periods of noise can become stressed, which can lead to higher blood pressure and heart rate and affect a person’s overall health. Those who are sensitive to noise may have a hard time falling asleep and staying asleep for any length of time. If a person does not get enough sleep he or she may have difficulty paying attention or completing a task properly and may become easily aggravated. Environmental noise is unwanted sound in one’s community except the noise that originates in the workplace (Goines & Hagler, 2007). Environmental noise is a form of air pollution and is a treat to a person’s health and well-being. Environmental noise has become more of a severe problem because of population growth, urbanization, and other mobile sources of noise (Goines & Hagler, 2007). This noise interferes with one’s ability to pay attention, communicate, and recreation time. The human body is equipped to react to noise with a fight or flight response, which can cause nervous, hormonal, and vascular changes (Goines & Hagler, 2007). Environmental noise can impair one’s ability to enjoy