The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Illicit drug use costs the United States approximately $181 billion every year.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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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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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
Thorax Anterior view of human body
Marina Abramović, The House with the Ocean View—Nov. 22 9:54 am, 2002. Living installation.
Hormones acting through the brain help regulate metabolism and short- and long-term appetite.