Mutations may occur in a normal cell as a result of cell division and the effects of environmental and lifestyle factors, such as smoking o r sunlight. Once the first cancer-causing, or driver, mutations occur, defects in cellular processes âfor example, in DNA repairâmay cause more mutations to occur.
U.S. men's national soccer team coach Jurgen Klinsmann out. U.S. men's national team coach Jurgen Klinsmann has been under increased pressure.
Soccer in the United States. Soccer in the United States is governed by the United States Soccer Federation, commonly known as U.S. Soccer. The organization governs most levels of soccer in the country, including the national teams, professional leagues, and the amateur game with the exception of college and high school soccer.