Bernard L. Cohen, in Cato Jo~(rna/(Spring 1982), Publications Dept., 224 Second St. S.E., Washington, D.C. 20003.
Since the accident at Three Mile Island in 1979, Americans have been more worried than ever about the safety of nuclear power plants. Co- hen, a physicist at the University of Pittsburgh, belittles many of the alleged risks.
Radiation occurs naturally-in outer space, on earth (e.g., in uranium), and in the human body (in the form of potassium). Human exposure to it varies widely. In...