This important book delineates experimental studies of effects of low dose irradiation on biological objects (organisms, cells, and biomolecules and presents theoretical concepts related to the issue. The problem of low dose irradiation has many aspects: theoretical (what is truth), populist, political, and bureaucratic (low doses versus the atomic industry). The book contains important works dealing with one of important effects of low dose irradiation -- an adaptive response. It is known that a subsequent high dose of irradiation of cells and organisms irradiated earlier with low doses...