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Let’s look at MORE evidence (numbers 3 and 4) that acetaminophen causes autism in susceptible babies and children.
If you haven’t seen the video on the first two lines of evidence, please go back and watch that one as well.
This is William Parker, the scientist, with Dr. Parker Reports.
More than a dozen studies now show that heavy use of acetaminophen DURING PREGNANCY is associated with autism or other neurodevelopmental issues.
Even though these studies were published by different people at different times in different places, they all used similar techniques and come to similar conclusions.
So we count all of these as ONE piece of evidence only.
Now before everybody freaks out, all those papers tell us that heavy use of acetaminophen during later stages of pregnancy is associated with probably only about 10% or less of all cases of autism, and not more than 20%.
Overall we can conclude without any reasonable doubt acetaminophen causes autism after birth… but we can’t be as certain that this happens during pregnancy.
It looks like it probably does… but the risk is lower because the mother is processing so much of the drug and the evidence of damage during pregnancy is not what I would call “overwhelming”
In contrast, another piece of evidence tells us that high acetaminophen levels at the time of birth – which means there is significant levels of acetaminophen in the mother (and therefore the baby) at the time that the umbilical cord is cut - are associated with a 3 to 4-fold increased risk of autism, far greater than the risk for use during pregnancy Association of Cord Plasma Biomarkers of In Utero Acetaminophen Exposure With Risk of Attention-Deficit/Hyperactivity Disorder and Autism Spectrum Disorder in Childhood - PubMed (nih.gov).
We have concluded that this happens because when the umbilical cord is cut, the baby now has to process whatever acetaminophen is left in its blood without the help of the mother’s liver.
This and other evidence tell us that that acetaminophen exposure is riskier after birth than during pregnancy.
And that’s the broad strokes on lines of evidence numbers 3 and 4 out of 20 total, with Dr. Parker Reports.
To watch a more detailed video on this topic, please watch our similarly titled video on the WPLab YouTube channel.