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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Illicit drug use costs the United States approximately $181 billion every year.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Area of Manatee Population Area of Manatee Population
skin cancer skin cancer
Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
World Population Growth, 1750-2150 World Population Growth, 1750-2150
Algorithm for assessing/screening sleep disorders in adults. Algorithm for assessing/screening sleep disorders in adults.
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