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• Causes and origins of Tourette syndrome — have not been fully elucidated. Tourette syndrome (also called Tourette s syndrome , Tourette s disorder , Gilles de la Tourette syndrome , GTS or TS ) is an inherited neurological disorder with onset in childhood, characterized by the presence… …   Wikipedia

• Causes of sexual violence — There is no single theory that conclusively explains the causes of sexual violence; the motives of perpetrators can be multi factorial and are the subject of debate. Researchers have attempted to explain the motivations in terms of socioeconomics …   Wikipedia

• Causes of autism — Autism and autism spectrum disorders are complex neurodevelopmental disorders. Many causes of autism have been proposed, but its theory of causation is still incomplete. Heritability contributes about 90% of the risk of a child developing autism …   Wikipedia

• Advances in Battlefield Medicine — ▪ 2008 by Peter Saracino       Studies of historical casualty rates have shown that about one half of military personnel killed in action died from the loss of blood and that up to 80% of those died within the first hour of injury on the… …   Universalium

• Ice age — An ice age is a period of long term reduction in the temperature of the Earth s surface and atmosphere, resulting in an expansion of continental ice sheets, polar ice sheets and alpine glaciers. Glaciologically, ice age is often used to mean a… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• List of dog diseases — This list of dog diseases is a continuously updated selection of diseases and other conditions found in the dog. Some of these diseases are unique to dogs or closely related species, while others are found in other animals, including humans. Not… …   Wikipedia

• MEDICINE — From the beginning of their history until modern times Jews have exercised a tremendous influence on the development of medical science. They have always been solicitous in their care for the sick and held the medical profession in great esteem.… …   Encyclopedia of Judaism

• medicine, history of — Introduction  the development of the prevention and treatment of disease from prehistoric and ancient times to the 20th century. Medicine and surgery before 1800 Primitive (primitive culture) medicine and folklore       Unwritten history is not… …   Universalium