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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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Vaccines prevent between 2.5 and 4 million deaths every year.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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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.

Eastern gray squirrels are born naked with their eyes closed Eastern gray squirrels are born naked with their eyes closed
Open, or compound The fracture projects through the skin and there is a possibility of infection or Open, or compound The fracture projects through the skin and there is a possibility of infection or
Stimuli Used in a Test of Word Recognition Stimuli Used in a Test of Word Recognition
Review of Changes in Careers over Adulthood Review of Changes in Careers over Adulthood
When the engine achieves closed-loop, the air is directed to the catalytic converter. When the engine achieves closed-loop, the air is directed to the catalytic converter.
Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ... Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ...
Video: Enzyme structure - Properties of enzymes

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