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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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There are more bacteria in your mouth than there are people in the world.