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Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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Your heart beats over 36 million times a year.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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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.