Impacto radiolÛgico de las fuentes naturales y artificiales de radiaciÛn. El informe UNSCEAR 2008

The present paper shows the results of the report from the United Nations Scientific Committee on the Effects of Atomic Radiation, presented at the 56 th session on July 2008. The values obtained according to the types of natural or artificial sources and their effect on people are compared. It is concluded that the most significant change in the situation has been the increase in medical exposure due to the increase in CT examinations.