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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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Excessive alcohol use costs the country approximately $235 billion every year.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.