Noise pollution affects the human mind and body negatively. The ill-effects of noise pollution are many. It is the major cause for several ailments. The quality of human life gets disrupted. The lives of the children, the aged or the ailing people become miserable.
1. Loss of hearing and deafness: Noise above the tolerable threshold is the leading cause for loss of hearing and deafness.
2. Cardiac disturbance: Noise increase the risk of cardiac disturbance including coronary artery disease or ischemic heart disease (IHD).
3. Sleeplessness: Noise may make people restless and tired. It may cause disrupted sleeping pattern or may keep people away from sound sleep. In the long-term, due to tiredness and lack of sleep, the immune system may get compromised.
4. Headache: Human mind can tolerate sound only to a limited extent. Excess noise causes headache.
5. Stress, tension and aggressiveness: Loud noises can be very stressful. Constant exposure to irritating sound may cause stress and tension. The behavior of people often becomes aggressive. Other than psychological imbalance, is causes physical illness such as increased blood pressure, cardiac disturbance and insomnia.
6. Irregular blood pressure: For good health, it is very important to maintain normal pressure in the arteries both during the heartbeat and between the heartbeat. Noise may contribute to fluctuations in the levels of blood pressure.
7. Mental imbalance and nervous debility: Mental illness is among the worst negative effects of noise pollution. People may find it difficult to cope with their normal routine life. Human mind cannot accept sound beyond a certain level. Excess sound may lead to mental imbalance and nervous disability.
8. Psychological imbalance: It may also cause psychological imbalance.
9. Difficulty in talking: Due to excessive noise, it becomes very difficult to talk on roads or inside malls.
Resources:
http://www.importantindia.com/17093/noise-pollution-causes-effects-and-prevention
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