The Different Effect Of Noise On Mankind

Different kinds if nosie produce different kinds of effects on human beings;
1) Exposure to high nosie level can rupture ear durm and cause permanent deafness.
2) High pitched nosie increase nervous tension and blood pressure.
3) Nosie at a high pitch is known to cause heart attacks.
4) A person cannot concentrate in his work,or studies in the presence of nosie.
5) Loud noises of high frequency can cause headache.

The Effects Of Cold On The Body

Experts say the extreme cold and icy winds number of human health problems may need.
Frost bite humans from cold (extreme cold or melt human skin eruptions) or high puthrmya (extreme cold be less than normal human body temperature) are more likely to be suffered.
Eastern states of the United States in the grip of the past several days, severe icy weather and freezing temperatures several degrees after the fall season strongly about being inform to people, High puthrmya the situation in which a person's body temperature falls below 35 degrees centigrade. Experts say that the health of people suffering from high puthrmya is restored after, even in their kidneys, liver and leaves the disease is likely to persist.

Causes Of Air Pollution

The contamination of air with dust , smoke and harmful gases is called air pollution. The various sources of air pollution are given below:
1) Burning of coal, wood, kerosene, petrol, diesel.
2) Exhaust gases emitted by cars, buses, trucks, scooters etc.
3) Smoke from factories.
4) Dirt and dust raised by heavy traffic and from certain mines.
Polluted air may cause bronchitis and allergies. Do you know that Tokyo is the world's most polluted city? Karachi and lahore are the most polluted city of Pakistan.
The pollution of air can be prevented in the following ways:
1) By using smokeless sources of energy.
2) By installing tall chimneys in the factories.
3) By growing more trees.

The Denge Fever Can Cause Of Death

Dengue fever are acute febrile diseases transmitted by mosquitoes, which occur in the tropics, can be life-threatening and are caused by four closely related virus serotypes of the genus Flavivirus, family Flaviviridae. It is also known as breakbone fever, since it can be extremely painful. The disease manifests as fever of sudden onset associated with headache, muscle and joint pains (myalgias and arthralgias-severe pain that gives it the nickname break-bone fever or bonecrusher disease), distinctive retro-orbital pain, and rash. The classic dengue rash is a generalised maculopapular rash with islands of sparing. Dengue fever is caused by Dengue virus (DENV), a mosquito-brone flavivirus.

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