Health Effects of Biological Pollutants

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.All of us are exposed to biological pollutants. However, the effects on our health depends on the type and amount of biological pollution, as well as each individual’s ability to handle the pollution. Some people do not experience health reactions from certain biological pollutants, while others may experience one or more of the following reactions:

ALLERGIC REACTIONS

Except for the spread of infections indoors, allergic reactions may be the most common health problem with indoor air quality in homes and offices. They are often connected with animal dander, dust mites and pollen. Allergic reactions can range from mildly uncomfortable to life-threatening, as in a severe asthma attack.

Some common signs and symptoms of allergic reactions are:

• Watery eyes
• Runny nose and sneezing
• Nasal congestion
• Itching
• Coughing
• Wheezing and difficulty breathing
• Headache
• Fatigue

INFECTIOUS DISEASES

Infectious diseases are caused by bacteria and viruses that may be spread indoors. Most infectious diseases pass from person to person through physical contact. Crowded conditions with poor air circulation can promote this spread. Some bacteria and viruses thrive in buildings and circulate through indoor ventilation systems. For example, the bacterium causing Legionnaire’s disease, a serious and someti mes lethal infection, and Pontiac Fever, a flu-like illness, have circulated in some large buildings.

TOXIC REACTIONS

Toxic reactions are the least studied and understood health problem caused by biological air pollutants in the home or office. Toxins can damage a variety of organs and tissues in the body, including the liver, the central nervous system, the digestive tract, and the immune system.

 

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