Here are 5 research papers showing Iodine deficiency causes retardation.
Iodine in autism spectrum disorders (2016)
Key Quote: “RESULTS:19 out of 40 children with Autism Spectrum Disorders (ASD) had mild to moderate iodine deficiency.”
Iodine Deficiency and Autism Linked in Research (2015)
Key Quote: “some research has shown a potential link between iodine deficiency and autism. Because of this, many alternative health care practitioners are looking at methods that involve nutrition, detoxification and iodine supplementation.”
Iodine Helps Prevent Autism (2013)
Key Quote: This video… link:
This video… talks about a study showing that when “mothers had very low levels of thyroid hormone early in pregnancy the chance of having a kid with autism was multiplied by 4 very seldom we see these strength of association.” –(by Dr. Roman, with the Houston Methodist Neurological Institute and researchers in the Netherlands.)
Iodine deficiency as a cause of autism? (2004)
Key Quote: “In a number of countries with reported increases in autism there has been a concomitant increase in the prevalence of iodine deficiency.(3 4 5)”
Disorders due to iodine deficiency (1990)
Key Quote: However, the most serious consequence of iodine deficiency is the impact on neuro-intellectual development at a population level, varying from endemic mental retardation to the complete picture of endemic cretinism.
Here are 3 sources that show High iodine causes genius babies.
Pregnant mothers on the “high iodine protocol” regularly give birth to genius babies!
The Flechas lecture on iodine is most interesting. He says that he’s seen 46 babies born to pregnant mothers who were on the high iodine protocol, and he says these babies have IQ’s that are off the charts sky high; geniuses. At 29-34 minutes in…
Iodine Deficiency and the Thyroid Part 1
The effects of iodine on intelligence in children: a meta-analysis of studies conducted in China. (2005) https://www.ncbi.nlm.nih.gov/pubmed/15734706 “Furthermore, there was an increase on 1.15 SIQP of Binet or 0.8 SIQP on Raven Scale (17.25 or 12 IQ points) for children born more than 3.5 years after iodine supplementation program was introduced.
The Cognitive Effects of Micronutrient Deficiency: Evidence from Salt Iodization in the United States (2013) https://www.nber.org/papers/w19233 “We find that for the one quarter of the population most deficient in iodine this intervention raised IQ by approximately one standard deviation. “
The 2013 study hit the news in 2013: https://www.businessinsider.com/iodization-effect-on-iq-2013-7