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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).
There are approximately 3 million unintended pregnancies in the United States each year.
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.