There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Illicit drug use costs the United States approximately $181 billion every year.
During a total solar eclipse, the solar corona can be seen with the naked eye, during the brief peri
Sodium Balance
Renal regulation of sodium and potassium balance
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars