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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.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
![These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc](https://biology-forums.com/gallery/47/medium_351723_23_05_15_10_25_10_219101155.jpeg)
![Apply effleurage to face with palms. Place the hands gently on the face with fingertips at the jaw. ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_1_47_40_331172292.jpeg)