The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
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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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Medication errors are three times higher among children and infants than with adults.
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
Model of a longitudinal study in which 983 students were surveyed in 1984 and then again in 1985, 19
Average Number of Hours Slept per Day by Various Mammalian Species
Mayan Number
Number 12
Locate the following places by reference number on the map:Key Locales of Political, Economic, ...