The use of large-risk radioactive supplies in clinical, exploration, and professional applications has enhanced by about 30 p.c in the U.S. in the previous 12 several years, and the governing administration ought to strengthen protection, monitoring, and accountability to decrease overall health and safety pitfalls — whilst also supporting the improvement of nonradioactive possibilities to exchange them — claims a new report from the Countrywide Academies of Sciences, Engineering, and Medicine.