HOSPITAL workers who are regularly exposed to “safe” levels of X-rays have experienced changes at the cellular level that might actually prove beneficial.
and colleagues at Italy’s National Research Council took blood samples from 10 cardiologists who are exposed to 4 millisieverts of radiation per year from X-ray-guided surgery. Those levels are slightly above but well within the US Code of Federal Regulation’s per year.
Russo’s team found that the blood contained levels of hydrogen peroxide – a marker of cell damage – three times higher than expected. On the flip side, it also contained twice…



