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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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Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Micrographs of nerve cells taken with different types of light microscopes. Micrographs of nerve cells taken with different types of light microscopes.
Various types of integumentary conditions. (F) Dermatitis. Various types of integumentary conditions. (F) Dermatitis.
The arms can be moved in and out and most pads can be rotated to allow for many different types of ... The arms can be moved in and out and most pads can be rotated to allow for many different types of ...
Squeeze hands and fingers. Compress and broaden the hand. Squeeze along each finger. Squeeze hands and fingers. Compress and broaden the hand. Squeeze along each finger.
General hand massage. Include (A) metacarpal mobilizations and (B) gentle finger pulls. (C) Press ... General hand massage. Include (A) metacarpal mobilizations and (B) gentle finger pulls. (C) Press ...
Segregation of chromosomes at meiosis in a 14/21 translocation carrier. Six types of gametes are pro Segregation of chromosomes at meiosis in a 14/21 translocation carrier. Six types of gametes are pro
Video: DNA close up Animation

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