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Illicit drug use costs the United States approximately $181 billion every year.
In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
There are 60,000 miles of blood vessels in every adult human.
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Vaccines prevent between 2.5 and 4 million deaths every year.
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