The results of the up-to-date medical and biological, epidemiological and dosimetric studies of the accidentally exposed population, as well as the personnel of nuclear enterprises, including Mayak PA will be presented at the Conference. Participation in the conference of researchers from various fields of science, representing the Russian Federation, countries of near and far abroad, will allow sharing the results of their studies, discussing the methods to analyze medical and biological effects of low dose and low dose-rate exposure.