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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Several species of squirrels have melanistic phases. In large parts of United States and Canada, the Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Prevalence of Obesity in the United States Prevalence of Obesity in the United States
Rate of Residential Change, Past Year, in the United States Rate of Residential Change, Past Year, in the United States
The United States and Its Territories, 1787–1802 The United States and Its Territories, 1787–1802
Always check the battery, using a conductance or load tester. A battery showing a green charge ... Always check the battery, using a conductance or load tester. A battery showing a green charge ...
Gypsy moths native to Europe and Asia feed on oaks through much of the United States. Gypsy moths native to Europe and Asia feed on oaks through much of the United States.
Video: Atrial natriuretic peptide (vasodilation) & Aldosterone

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