Non-ionizing radiation like heat and light from the sun. Ionizing radiation like radiation from natural radioactive materials or cosmic rays. We are continuously exposed to both types of radiation ...
The rate of disease among a population. Absorbed dose (D). The mean energy imparted by ionizing radiation to a medium per unit mass. Units: gray (Gy), rad. 1 Gy = 1 J/kg = 100 rads. 1 rad = 0.01 J/kg ...
The medical dosimetry program of the Radiation Effects Research Foundation (RERF), formerly the Atomic Bomb Casualty Commission (ABCC), in Hiroshima and Nagasaki has been conducted since 1961.