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.
73 CONNECT 24 TWEET 1 LINKEDIN 4 COMMENT EMAIL MORE. Mike Krzyzewski will return as the U.S. men's basketball coach through the 2016 Olympics in Rio de Janeiro, a person familiar with his decision told USA TODAY Sports on Wednesday.