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Did you know?

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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Acromegaly in one individual from a pair of identical twins. Acromegaly in one individual from a pair of identical twins.
When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ... When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
Two wells are filled with related or partially identical antigens. The well on the left contains an ... Two wells are filled with related or partially identical antigens. The well on the left contains an ...
identical (left) and fraternal (right) twins identical (left) and fraternal (right) twins
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
1.6 Organisms are made up of cells, each of which contains an identical set of genes. 1.6 Organisms are made up of cells, each of which contains an identical set of genes.
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