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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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Illicit drug use costs the United States approximately $181 billion every year.
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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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.