DoE's Comprehensive Epidemiologic Data Resource

And you know it's known by its acronym CEDR.  CEDR is a web-accessible database full of radiation health data and environmental data that  is available to anyone.  It is explained in this video:

Oh, CEDR makes your life easier!

Actually this song is appropriate (by John Boice, epidemiologist and President of the National Council of Radiation Protection & Measurements, called "Epidemiology"):