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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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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Placing sterile item on a sterile field Placing sterile item on a sterile field
How to plot a sine function containing an amplitude and phase-shift (Question 2 of 3) How to plot a sine function containing an amplitude and phase-shift (Question 2 of 3)
Press the back muscles, using the palms or loose fists to apply compression. Do not hyperextend your ... Press the back muscles, using the palms or loose fists to apply compression. Do not hyperextend your ...
(A) Pinch along jaw line from midline to lateral aspect. (B) Press St-6 at masseter attachment. (A) Pinch along jaw line from midline to lateral aspect. (B) Press St-6 at masseter attachment.
The net price of an article is $79.84. What is the list price if a discount of 23% was allowed? The net price of an article is $79.84. What is the list price if a discount of 23% was allowed?
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