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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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Summation of Heart Sounds, Wide Split of S1
Internal view of the heart illustrating the heart chambers, heart layers, and major blood vessels as
Internal view of the heart with aorta, vena cava, and pulmonary arteries and veins.
Heart
Inhibition of cyclooxygenase 1 and 2. Nonselective NSAIDs block the cytoprotective effects as well ...
The heart and its major blood vessels. Oxygen-rich blood is pumped from the lungs to the left