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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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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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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

A typical office file room. (Paper medical records are rapidly being replaced by electronic ... A typical office file room. (Paper medical records are rapidly being replaced by electronic ...
Use a grinder or a file to remove the mushroom material on the end of a punch or chisel. Use a grinder or a file to remove the mushroom material on the end of a punch or chisel.
C heck the description bcuz the question is too long. there is a file attached but it is the ... C heck the description bcuz the question is too long. there is a file attached but it is the ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Polysaccharides

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