The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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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.
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On average, the stomach produces 2 L of hydrochloric acid per day.
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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.
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Average Pulse Rates by Age
WOMAN FROM DOLNÍ VĔSTONICE
Average Annual Growth Rates of Population by Country Group
Types of Long-Term Memories
Flexible exchange rates are supposed to prevent long-term trade deficits.