In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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By definition, when a medication is administered intravenously, its bioavailability is 100%.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Walruses fighting
The Formation of the Solar System
Pathways of the Visual System in the Brain
Endocrine System
Effects of the Autonomic Nervous System
Neurotransmitters of the Autonomic Nervous System (1 of 2)