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.
Team United Coaches. 1  United Lacrosse hires the most qualified coaches to lead their teams. 2  Coaches are assigned to their teams after tryouts are complete. 3  This process is to assure that both coaches and teams are the right fit.