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There are approximately 3 million unintended pregnancies in the United States each year.
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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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Blood is approximately twice as thick as water because of the cells and other components found in it.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.