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Pediculus humanus humanus. Linnaeus, 1758. The body louse ( Pediculus humanus humanus, also known as Pediculus humanus corporis) or the cootie is a hematophagic ectoparasite louse that infests humans. [ 1] It is one of three lice which infest humans, the other two being the head louse, and the crab louse or pubic louse.
QuickStats: Mean Percentage Body Fat, by Age Group and Sex – National Health and Nutrition Examination Survey, United States, 1999–2004. In males, mean percentage body fat ranged from 23% at age 16–19 years to 31% at age 60–79 years. In females, mean percentage body fat ranged from 32% at age 8–11 years to 42% at age 60–79 years.
Average five-year survival 66% (USA) [5] Frequency. 24 million annually (2019) [6] Deaths. 10 million annually (2019) [6] Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [2] [7] These contrast with benign tumors, which do not spread. [7]
Wall Street pointed sharply higher Wednesday as anxiety about a softening U.S. economy took a back seat to another trove of mostly strong corporate earnings reports. Japanese markets also clawed ...
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Down syndrome (United States) or Down's syndrome (United Kingdom and other English-speaking nations), also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [ 3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic ...
The United States House of Representatives is the lower chamber of the United States Congress, with the Senate being the upper chamber. Together, they comprise the national bicameral legislature of the United States. [ 1][ 2] The House is charged with the passage of federal legislation, known as bills; those that are also passed by the Senate ...
Historians Robert Friedel and Paul Israel list inventors of incandescent lamps prior to Joseph Swan and Thomas Edison of General Electric. [4]: 91–93 They conclude that Edison's version was the first practical implementation, able to outstrip the others because of a combination of four factors: an effective incandescent material; a vacuum higher than other implementations which was achieved ...