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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Your heart beats over 36 million times a year.
The longest a person has survived after a heart transplant is 24 years.
There are 20 feet of blood vessels in each square inch of human skin.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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