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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
The longest a person has survived after a heart transplant is 24 years.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
Everyone has one nostril that is larger than the other.
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