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.
Youth team coach shot dead in front of team in Florida AN AMERICAN football coach was executed in a hail of bullets in front of the terror-stricken team of seven-year-olds he led, it has been reported.