Anyone who has roomed with a noisy person, worked in a noisy office or tried to study with a party going on in the next room can attest to the effects of noise on ones level of stress. Noise has been found to be related to job dissatisfaction and to result in irritation and anxiety. One expert describes noise as the most troublesome of all stresses in our environment. Most disturbing is noise that constantly changes in pitch, intensity or frequency. We may become used to more common noise and almost ignore it. People, who live near airports for example, seem to not even hear the planes after a while. However, just because you become accustomed to the noise or are able to tune it out doesnt mean you are not being affected by it. Noise is measured in decibels. At 85 decibels, stress responses usually develop, and prolonged exposure to sounds above 90 decibels can result in hearing damage.