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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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This image shows an artists depiction of a 10-kilometer (six-mile) diameter astero This image shows an artists depiction of a 10-kilometer (six-mile) diameter astero
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LBJ cultivated the masculine image of a Texas cowboy. Biographers have suggested that Johnson was ... LBJ cultivated the masculine image of a Texas cowboy. Biographers have suggested that Johnson was ...
An X-ray image of lung cancer. An X-ray image of lung cancer.
Insert the terminals into the relay socket in 30 and 87. Insert the terminals into the relay socket in 30 and 87.
Video: Evolutionary tree of life Animation

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