U.S. Fukushima Fallout Links to 28% Am. Baby Hypothyroidism Surge, Pre-Natal Radiation Exposure
Tuesday, January 21, 2014 4:32
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A new study finds a surge in American babies woth hypothyroidism rising 28 % in the two and a half months after Fukushima’s fallout of radioactive iodine (I-131) [1] arrived four days after the catastrophic event began in Japan.
Researchers and authors Joe Mangano and Janette Sherman from the Radiation and Public Health Project [2] have released a new report this week, after conducting thorough research on data from the US government, finding a surge of 28% congenital hypthyrodism following Fukshima’s fallout in the U.S.
“Plume of airborne radioactive iodine arrival in the US correlates with increased rates of congenital hypothyroidism among the new born,” said Dr Mae-Wan Ho.
Mangano had found a 35% increase in American baby deaths in 2011, linking this to Fukushima fallout.
Babies were dying at a 35% increased rate in eight northwest U.S. cities by 2011 after the Fukushima meltdowns began, evidence supporting radiation expert Joseph Managno’s assertion that Americans will pay a high price for government and media cover-up and deception.
Government officials have repeatedly told women that there are “only trace levels of radiation from Fukushima” and that these small levels of radiation are ”harmless.”
Congenital hypothyroidism & prenatal exposure to radioactive iodine
New borns in developed countries have been routinely screened for congenital hypothyroidism (CH) since the 1960s. Simple blood spot tests are used for this.
CH results in stunted growth, lowered intelligence, deafness, and neurological defects, but can be effectively treated if detected early. Increased incidence of CH has been found for decades in US, Australia, Italy, UK and Greece. In the US, the rate increased 75.3 % from 1987 to 2002 [1]. (Author emphasis)
The two scientists say one potential risk factor is prenatal exposure to radioactive iodine isotopes, that home in on the susceptible foetal thyroid gland and kill the cells. The thyroid is the first gland to develop in the human embryo and begins concentrating iodine to produce thyroid hormones by the 70th day of gestation. In the mid-1950s during the period of atmospheric nuclear weapons tests, I-131 produced by fission was detected in the adult human thyroid. But I-131 concentrations were about 10 times as high in the human foetal thyroid as in the human adult or pig thyroid, and maximum increases in foetal thyroids were detected approximately one month after nuclear explosions [3]. The main exposure path is via dairy products from radioactive fallout deposition on forage.
In the five areas closest to the Chernobyl nuclear meltdown, the highest prevalence of hypothyroidism in children was found in Gomel, the area most heavily exposed. An examination of 160,000 l local children exposed to the Chernobyl fallout before age ten found a link with I-131 exposure and risk of juvenile hypothyroidism (reviewed in [1] ). In Pennsylvania USA, the site of the March 1979 partial meltdown at the Three Mile Island nuclear power plant, 9 to 20 cases of CH were found in the downwind eastern area during the 9 month period before and after the event, compared with 8 to 7 cases in the upwind western area. The peak of I-131 from the Chernobyl fallout in May 1986 within the US was three times greater in northwest states than in southeast states, and the 1984-5 vs 1986-7 change in CH rates was correspondingly +23.3 % in the northwest and -1.0% in the southeast. I-131 exposure due to releases from the Hanford US nuclear weapons installation was associated with a significantly increased number of preterm births, which are linked to risk of CH, although the CH rate closest to the Savannah River (US) nuclear weapons plant was not found to be elevated.
More recently, CH rates of four counties closest to the Indian Point New York nuclear plant are about twice that of the country as a whole, and especially high in the most recent period available; the 1979-1993 total airborne I-131 and particulates released by Indian Point was the 5th greatest of 72 nuclear plants.
Radioactive plume from Fukushima meltdown took only 4 days to cross the ocean to North America
The plume of radioactivity released by the Fukushima meltdown arrived in the air above the US west coast states on March 15, only 4 days after the start of meltdown. US EPA (Environment Protection Agency) measurements of I-131 in air, water and milk were relatively few in number. Most I-131 readings were taken from precipitation: 77 reported from 22 March to 12 April 2011.
Detectable levels of I-131 in precipitation largely disappeared after that. The 77 measurements cover 30 sites, only 7 of them gave undetectable readings after Fukushima, the rest varied from just above zero to >100 pico Curie/L (1 Curie = 37 x 109 becquerels, 1 becquerel is one disintegration per second, and 1 picoC = 0.037 Bq), with 18 at 40 pCi/L or higher, at least 20 times above normal. The greatest concentrations were detected in Boise Idaho (242, 394, and 422) i.e., 121-211 times above normal. Boise is in northwest US, but the highest ten measurements included the East Coast cities of Jacksonville Florida (148) and Boston Massachusetts (92). These data support the conclusion that I-131 from Fukushima was deposited across the entire nation.
I-131 was measured in kelp on the California coast on 20 April 2011. The highest levels in the dry seaweed were found in Orange County in southern California, 250 times greater than before the accident, Santa Cruz in Northern California 100 times greater and Los Angeles County, 60 times greater. In New Hampshire close to the Atlantic coast, during the period March-May 2011, I-131 doubled from previous periods.
The National Geological Survey conducted a national study on concentrations of wet depositions of fission isotopes in soil across the US between 15 March and 5 April 2011. Results showed that the highest depositions of I-131 in Bq/ m3 occurred in northwest Oregon (5 100), central California (1 610), northern Colorado (833), coastal California (211), and western Washington (60.4). No other station recorded concentrations above 13. Similar results were found for radioactive caesium Cs134 and Cs-137.
Contaminated states compared with rest of US before and after fallout
For the study, airborne total beta radiation was compared between the most contaminated five Pacific and West Coast States – Alaska, California, Hawaii, Oregon, and Washington – and the rest of the nation. The source of data is the US EPA’s twice-weekly measurements in nearly 100 US locations, creating a large sample of hundreds of measurements in the weeks after the Fukushima fallout arrived.
The other principal component in the dose response comparison is CH incidence. Each of the 50 US states maintains new born screening programme results, including CH cases. Because only annual data are made easily available on the internet, Mangano and Sherman conducted a telephone survey of states, requesting monthly numbers of CH cases for each month in 2010 and 2011, according to the date of the baby’s birth. Cases from births of 1-16 Mar and 17-31 March were separated to define the period after the arrival of Fukushima fallout in the US. Only confirmed primary CH cases were included, i.e., those testing positive for the condition and require therapeutic intervention to avoid adverse health effects. Transient or secondary CH cases are not recorded by all states.
A review of US EPA data measuring airborne levels of gross beta radiation was conducted to compare 2010 and 2011 levels. The EPA uses air filters to measure aerosols at points close to ground level, typically about twice a week for 69 US sites.
At the time of the analysis, data were only available up to 4 October 2011, so results for the periods 1 January to 4 October were compared for 2010 and 2011. Beta measurements include a variety of radioisotopes, I-131 among them, so total beta is a proxy for relative exposure to the thyroid gland.
The largest amounts of radioactive fallout in the US environment from Fukushima occurred in late March and all of April 2011, before declining to levels typically recorded in 2010. Thus, the 2010-2011 comparisons were made for two periods. The first was 15 March – 30 April, and the second was the remainder of the period 1Jan – 14 March plus 1 May – 4 October.
To identify the exposed populations, 18 EPA stations in the five Pacific/West coast states were selected for which at least 20 total beta measurements were made during both 2010 and 2011. Many stations had considerably more measurements, and thus a total of 1 043 and 1 083 measurements were used in the two years for the 18 stations.
A control group included the rest of the US: 31 sites were selected representing a wide geographic diversity. These sites recorded 59 to 70 airborne beta measurements each year for the period 1 January – 4 October. In all 2 211 and 2 057 measurements were included in each respective year.
[The change in airborne total beta concentrations during the different periods are summarized in Table 1 in the report.]
The data show that in the heavily exposed sites on the Pacific/West Coast states, total beta concentration in 2011 was 7.345 times that in 2010, while the concentration in the control site in 2011 was only 2.397 times that of 2011. For the rest of the year, there was little change between 2011 and 2010. In the Pacific/West Coast, the largest changes were in the California cities of Eureka at 38.264 times. Anaheim was 14.941 times and San Bernardino, 12.054 times. In the 31 control sites, the only increase above 4.2 times was in Tucson Arizona at 9.32, and Salt Lake City Utah at 7.879 times, both located in western US.
All US new born diagnosed with primary CH between 17 March and 31 December 2011 were exposed in utero to radioactive fallout from the Fukushima meltdowns. Data were obtained via phone calls for 41 of 50 states, representing 87 % of all US births. Included in the 41 states were all five Pacific/West Coast States.
[The results are given in Table 2 of the report.]
Mangano and Sherman stress that their findings should be regarded as preliminary, and require confirmation and expansion, including long-term follow-up of infants and other children.
CH is only one indicator for the health impacts of the Fukushima fallout, they say..
“Other indicators of foetal/infant health include foetal deaths, premature births, low weight births, neonatal deaths, infant deaths and birth defects; and those should also be monitored. While any adverse impacts would be expected to affect first the most susceptible foetus and infant, changes in the health status of older children and adults may also occur,” they state..
“Sure enough, thyroid cancer among the young has shot up in Fukushima, and scores of US sailors exposed while performing rescue work near Fukushima in March 2011 have been diagnosed with thyroid cancer, testicular cancer, leukaemia, and other illnesses.” [4] (Fukushima Crisis Goes Global, SiS 61).
References
- Mangano JJ and Sherman JD. Elevated airborne beta levels in Pacific/West Coast US States and trends in hypothyroidism among newborns after the Fukushima nuclear meltdown. Open Journal of Pediatrics 2013, 3, 1-9.
- Biographical sketches of RPHP directors and associates. Radiation and Public Health Project, accessed 14 January 2014,http://www.radiation.org/about/bio.html
- Beierwaltes WH, Hilger MT and Wegst A. Radioactive concentrations in fetal human thyroid from fallout. Health Physics 1963, 9, 1263-6.doi:10.1097/00004032-196312000-00030
- Ho MW. Fukushima crisis goes global. Science in Society 61 (to appear).
Source: ISIS Science in Society
Photo Credit: Getty Images
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It would be useful for towns to provide people daily radiation readings, and for people to know what to do when fallout is heavy (e.g., stay out of the rain). I don’t know how people can avoid radioactive food – put radiation counters in grocery stores?
First the Government needs to tell the truth about this stuff…its absolutely criminal and in my opinion mass genocide. The press. and all his cronies keeping it a secret need to be held responsible not to mention TEPCO!!
it saddens me so much that they care so little for earth aka. Gaia