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Children’s Teeth, Collected Decades Ago, Can Show the Damage of Nuclear Testing via History News Network (Portside)

Lawrence Witner and Joseph Mangano

In 2020, Harvard University’s T. C. Chan School of Public Health began a five-year study, funded by the National Institutes of Health, that will examine the connection between early life exposure to toxic metals and later-life risk of neurological disease. A collaborator with Harvard, the Radiation and Public Health Project, will analyze the relationship of strontium-90 (a radioactive element in nuclear weapons explosions) and disease risk in later life. 

The centerpiece of the study is a collection of nearly 100,000 baby teeth, gathered in the late 1950s and early 1960s by the St. Louis Committee for Nuclear Information.

The collection of these teeth occurred during a time of intense public agitation over the escalating nuclear arms race between the U.S. and Soviet governments that featured the new hydrogen bomb (H-bomb), a weapon more than a thousand times as powerful as the bomb that had annihilated Hiroshima.  To prepare themselves for nuclear war, the two Cold War rivals conducted well-publicized, sometimes televised nuclear weapons tests in the atmosphere—434 of them between 1945 and 1963.  These tests sent vast clouds of radioactive debris aloft where, carried along by the winds, it often traveled substantial distances before it fell to earth and was absorbed by the soil, plants, animals, and human beings. 

[…]

The public grew alarmed, particularly by the fact that strontium-90 from nuclear tests was transmitted from the grass, to cattle, to milk, and finally to human bodies—with special concern as it built up in children’s bones and teeth.  By the late 1950s, polls found that most Americans considered fallout a “real danger.”

Linus Pauling, a Nobel Prize-winning chemist, emerged as one of the most trenchant and effective American critics, circulating anti-testing petitions signed by thousands of U.S. scientists and even larger numbers of scientists abroad.  Pauling charged that the nuclear bomb tests through 1958 would ultimately produce about 1 million seriously defective children and some 2 million embryonic and neonatal deaths.

Determined to maintain its nuclear weapons program, the U.S. government was horrified by the popular uproar and anxious to suppress it.  U.S. intelligence agencies and congressional investigations were unleashed against groups like SANE and antinuclear leaders like Pauling, while U.S. information agencies and government officials publicly minimized the dangers of nuclear testing.  In a Life magazine article, Edward Teller, often called “the father of the H-bomb,” insisted that nuclear test radiation “need not necessarily be harmful,” but “may conceivably be helpful.”

[…]

According to the ongoing tooth study, the average strontium-90 in baby teeth dropped by half in just four years after the test ban. With their goal apparently accomplished, the Committee on Nuclear Information and the University halted tooth collection and testing.  Soon thereafter, the Committee dissolved.

Three decades later, Washington University staff discovered thousands of abandoned baby teeth that had gone untested. The school donated the teeth to the Radiation and Public Health Project, which was conducting a study of strontium-90 in teeth of U.S. children near nuclear reactors.

Now, using strontium-90 still present in teeth, the Radiation and Public Health Project will conduct an analysis of health risk, which was not addressed in the original tooth study, and minimally addressed by government agencies.  Based on actual radiation exposure in bodies, the issue of how many Americans suffered from cancer and other diseases from nuclear testing fallout will be clarified.

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