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.
US Youth Soccer is the largest member of the United States Soccer Federation, the governing body for soccer in the United States, and is made up of over 600,000 volunteers and administrators, and over 300,000 dedicated coaches, most of who also are volunteers.