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.
Jurgen Klinsmann calls for 11-month MLS season. National team coach Jurgen Klinsmann has called for an 11-month MLS schedule to help combat fatigue, an issue the German cited as a factor in the United States' 3-2 loss to Chile on Jan. 28.