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There are approximately 3 million unintended pregnancies in the United States each year.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
The horizontal fraction bar was introduced by the Arabs.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.