“Noise” How does it affect our health?
In our day to day life we get exposed to different sounds. It can be sound of a car passing by, or that of a microwave sound or birds chirping. These sounds range between different intensities and are safe to our ears. When these sounds become unpleasant we call it “Noise”. Noises that are too loud for a brief time or for a long time can cause damage to our ears. Safe sound levels: Our ears can hear sounds that range between 20 Hz to 20,000 Hz. Human ear can tolerate sounds below 120dB. Sounds above this intensity can cause damage to ears. Human’s speech ranges around 65 dB. Sounds above 85 dB can cause permanent damage to ears in cases of prolonged exposure. Hence it is very important to protect ears from loud sounds and noises. Effects of noise: Noise exposure causes damage to our health in many ways, N...