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There are approximately 3 million unintended pregnancies in the United States each year.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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The horizontal fraction bar was introduced by the Arabs.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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