An allergic reaction occurs when the immune system attacks a usually harmless substance called an "allergen" that gains access to the body. To more simply describe this complex immune process, we will make an analogy to a war within the body. The immune system calls upon a protective substance calle More....
4/9/2007

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Bronchitis is an inflammation of the bronchial tubes, or bronchi, that bring air into the lungs. Inflammation is a chemical reaction in the body that produces redness, swelling, and pain. Bronchitis can be caused by: · Viruses · Bacteria · Smoking · Breathing in certain kinds of irritating c More....
4/9/2007

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whooping cough Pertussis (also called “whooping cough”) is a highly contagious bacterial infection that causes a severe cough. Symptoms § Symptoms appear 6 to 21 (average 7-10) days after exposure to an infected person. § Pertussis may start with cold symptoms or simply a dry cough followed by More....
4/9/2007

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Colds are caused by more than two hundred different viruses. The most common groups of viruses are rhinoviruses and coronaviruses. Knowing which virus has caused a cold is not important because treatment does not depend on the type of virus. People with colds are contagious (can pass on the virus) More....
4/9/2007

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Colorectal Cancer is the cancer of the colon and rectum, which consist of the final stages of the human digestive system. Sometimes colorectal cancer is in part a genetic disease, but one that is influenced greatly by your lifestyle-what you eat, whether you smoke, how active you are, how often you More....
4/8/2007

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Leukemia is a cancer of the bone marrow, the spongy center of the bones that makes blood cells. In leukemia, abnormal white blood cells divide out of control and crowd out the normal cells in the bloodstream. The abnormal white blood cells are not mature, and therefore cannot carry out their infecti More....
4/7/2007

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Skin cancer is the most common form of human cancer. It is estimated that over 1 million new cases occur annually. The annual rates of all forms of skin cancer are increasing each year, representing a growing public concern. It has also been estimated that nearly half of all Americans who live to ag More....
4/6/2007

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Lung cancer is a serious health problem, it is essentially the growth of abnormal cells in the lungs. Lung cancer is actually the leading cause of cancer deaths in both men and women. Of those people who contract lung cancer, less than half of them survive one year. The quicker you notice symptom an More....
4/6/2007

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Asthma, is a disease of the respiratory tract. Asthmatic people find difficulties in breathing due to a constriction or, narrowing of the respiratory tract especially the trachea. Asthma can be passed down genetically. An asthmatic patient has bouts of asthma when the causative factors are in p More....
4/4/2007

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AMD is a type of eye dis orders Age-related macular degeneration (AMD) is a disease that affects an individual's central vision. AMD is the most common cause of severe vision loss among people over 60. Because only the center of vision is affected, people rarely go blind from this disease. However, More....
4/2/2007

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