HLTH 102 Lecture : Nature Pollution and Health
5 May 2012
School
Department
Course
Professor
Document Summary
White noise: promotes health, nature sounds, both high and low frequencies, cancels out other sounds, good for those who have trouble sleeping. Sounds a lot like wind, rain, waves. Infrasound: sounds inaudible to the human ear, can explain feelings of spirituality in church. Binaural beats: different sound frequencies are delivered to the ear, each side of the brain receives different signals, third new beat, standing waves that become synchronized. Enhances brain function by increasing communication circuits. Stimulus applied to beta state, 10 hz, can move to alpha. If an external stimulus is applied to the brain, it can put it into a different stage or state. No greenhouse gases: no health effects of wind turbine noises. Thickening of the heart from exposure to low frequency noise. Laughter can be beneficial for your health: eliminates stress, reduce risk of heart disease, improvements in blood flow. Laughter can be just as good as a workout.
