During the Cold War, concern about the health effects of above ground
nuclear testing lead to the Baby Teeth Project. Strontium-90 levels were
measured in the baby teeth of thousands of children born after 1949. The
study found dangerous levels of Strontium-90 that could be linked to
leukemia and bone cancer. As Great Lakes Radio Consortium commentator
Suzanne Elston has discovered, more than 40 years later, a new study
shows that history is repeating itself: