Did you know?
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.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.
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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
A schematic of a typical glow plug circuit. Notice that the relay for the glow plug and intake air ...
A typical distillation curve. Heavier molecules evaporate at higher temperatures and contain more ...
A typical port fuel-injected system showing a vacuum-controlled fuel-pressure regulator.
A typical clean-in-place system
Structures of a few typical eukaryotic promoters
A Typical aa Flow