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More than 4.4billion prescriptions were dispensed within the United States in 2016.
The longest a person has survived after a heart transplant is 24 years.
Thyroid conditions may make getting pregnant impossible.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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