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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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age Spotted hyena cubs in Limpopo, South Africa. Note the well defined spots, which will fade with age
The conduction system of the heart; traces the path of the electrical impulse that stimulates the he The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
Leading & Managing Defined Leading & Managing Defined
Middle age brings greater career satisfaction than young adulthood, sometimes through major job ... Middle age brings greater career satisfaction than young adulthood, sometimes through major job ...
Linesman’s pliers are very useful because they can help perform many automotive service jobs. Linesman’s pliers are very useful because they can help perform many automotive service jobs.
Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence Mass spectrometry (MS) patterns for a trypsin-digested peptide sequence
Video: Dissociative Disorders (Part 2)

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