Evidence curation on root causes of autism: 266 references from 2011 to Jan 23, 2026. Despite establishment medicine suppression, denial, and avoidance, the evidence speaks for itself.
Vaccines & Tylenol are obvious causal factors as are meds taken during pregnancy. EMFs likely contribute. Risks are greater with combined factors such as vaccines + formula-feeding or caesarean birth.
In 2011, the U.S. government had been compensating cases of vaccine-induced brain damage associated with autism for more than 20 years, but officials didn’t pull the vaccines from the market, nor did they improve vaccine safety or warn Americans of what was happening.
Using publicly available information, the investigation shows that the Vaccine Injury Compensation Program has been compensating cases of vaccine-induced brain damage associated with autism for more than twenty years. This investigation suggests that officials at HHS, the Department of Justice and the Court of Federal Claims may have been aware of this association but failed to publicly disclose it.
Mary S. Holland et al, New York University School of Law, 2011
In 2025, “a paradigm-shifting synthesis of over 300 studies… provides the deepest dive yet” into the relationship between more vaccines and more autism.
A landmark report from the McCullough Foundation, “Determinants of Autism Spectrum Disorder,” … isn’t just another study; it’s a paradigm-shifting synthesis of over 300 studies that dares to do what no other has: evaluate all known risk factors for autism side-by-side, without excluding the inconvenient ones… Of the 136 studies that examined childhood vaccines or their ingredients, a staggering 107 (79%) found evidence consistent with a link to autism or neurodevelopmental disorders (Hulscher et al., 2025). The 29 studies that found “no association” were critically flawed—they consistently lacked a genuinely unvaccinated control group… How could vaccines cause this? The report details a convergent biological pathway. Research has shown that aluminum adjuvants can trigger neuroimmune activation and long-term brain inflammation. Furthermore, vaccine components can induce mitochondrial dysfunction, a known vulnerability in a subset of children with autism. This brain injury can manifest as a regressive form of autism spectrum disorder, a pattern witnessed by countless parents and clinicians.
“Vaccines and vaccine components have been shown to be directly related to the explosion of autism cases in the US since the late 1980s by many independent studies.”
Vaccines and vaccine components have been shown to be directly related to the explosion of autism cases in the US since the late 1980s by many independent studies. In research comparing vaccinated versus unvaccinated children, Mawson et al. as well as Hooker et al. show autism rates at least four times higher in the vaccinated group. The relationship between thimerosal exposure through vaccines and autism incidence has also been affirmed by many studies. Aluminum adjuvant exposure and MMR vaccine uptake have also been linked to the autism epidemic.
Jan 23, 2026: “The Latest on Tylenol and Autism: What We Know, How We Know It and What It All Means”
Since President Donald Trump announced the connection between acetaminophen and autism, no less than 17 papers have been published in scientific or medical peer-reviewed journals claiming that no evidence supports Trump’s statements… To make sense of everything, it’s easier to explain what we know, then explain the conclusions in those 17 articles. First, this is what we know. We know that the combination of acetaminophen (paracetamol), commonly known in the U.S. by its brand name Tylenol, and oxidative stress can and often does induce autism… Susceptibility to autism is caused by oxidative stress. Oxidative stress, in turn, can be caused by a multitude of factors, including genetics and environmental exposures, such as infections, toxic chemicals, autoimmune problems and poor nutrition. Even poverty causes oxidative stress. We strongly suspect that the period of greatest risk is right after birth… The most obvious prediction we can make is that halting the use of acetaminophen during labor and delivery and during the first months of life will profoundly decrease the prevalence of autism. We also predict that avoiding acetaminophen during the first years of life, until age 6, will further decrease the prevalence of autism. It is more difficult to predict exactly what might happen if we stop using acetaminophen during pregnancy.
Contents
Suppression, Denial, Avoiding Root Causes
Brain Function & Development Issues Generally: Evidence by Date
Autism Root Causes: Key Excerpts
More than 200 References by Date
Vaccines: Corruption from Every Angle
Free Reference Guide
For Wellness Providers & Educators: Boost Your Impact — Premium Resources Just a Click Away from $19
Suppression, Denial, Avoiding Root Causes
See this post for nearly 200 references providing evidence of establishment medicine and media suppressing and denying factual evidence, promoting falsehoods, and avoiding & failing to address root causes of autism.
Brain Function & Development Issues Generally: Evidence by Date
See here for a list of 100% evidence-based root causes of brain function and development issues, including memory issues, brain fog, dementia, Alzheimer’s disease, autism, and more.
Every item on the root cause index is supported with links to published research.
Autism Root Causes: Key Excerpts
The following references are concerned with the root causes of autism only and include both published research and other sources such as independent reporters.
A highly significant correlation exists between the number of pediatric aluminum-adjuvanted vaccines administered and the rate of autism spectrum disorders.”
In adults, aluminum exposure can lead to apparently age-related neurological deficits resembling Alzheimer’s and has been linked to this disease and to the Guamanian variant, ALS–PDC… Injection of aluminum adjuvants in an attempt to model Gulf War syndrome and associated neurological deficits leads to an ALS phenotype in young male mice. In young children, a highly significant correlation exists between the number of pediatric aluminum-adjuvanted vaccines administered and the rate of autism spectrum disorders. Many of the features of aluminum-induced neurotoxicity may arise, in part, from autoimmune reactions.
“Healthy Triplets All Show Signs of Autism Within Hours of Vaccination”
Their parents, Robbie and Brenda… provide a heartbreaking timeline of events surrounding the routine vaccinations that led to lifelong neurological damage. These injuries all happened within hours of the shots. “We are the living proof that they’re all lying.”
Children’s Health Defense, 11-min video
“Vaccination in general seems to increase autism risk about 4-fold. Vaccinating preemies, vaccination in the absence of breastfeeding, and vaccination + c-section delivery causes autism risk to skyrocket. That’s what’s causing the autism epidemic, according to the best available scientific evidence.”
The over two billion dollars spent searching for the “gene(s) for autism” has not been a good investment — other than to definitively rule out genes as the primary driver of the epidemic. The large epigenetic studies are somewhat better designed and show courage in investigating toxicants made by powerful industries. Unfortunately, their failure to control for vaccination exposures renders all of their conclusions unreliable. So that leaves us with six very good vaccinated vs. unvaccinated studies that show that vaccines cause autism. Vaccination in general seems to increase autism risk about 4-fold. Vaccinating preemies, vaccination in the absence of breastfeeding, and vaccination + c-section delivery causes autism risk to skyrocket. That’s what’s causing the autism epidemic, according to the best available scientific evidence… The good news is that tens of thousands of parents appear to have figured it out. The best available scientific evidence suggests that we can stop the autism epidemic by only allowing beneficial vaccines on the market (a couple of live virus vaccines) and giving them, if at all, under conditions of informed consent at later ages when the body’s immune system can respond appropriately. Reducing over-use of c-sections and birth drugs and supporting breastfeeding are also likely to produce large reductions in the autism rate. Somewhat smaller but still significant reductions in the autism rates are also likely through reducing all toxic exposures (including air pollution, pesticides, endocrine disruptors, other pharmaceuticals, etc.) for everyone.
“The scientific evidence overwhelmingly indicates that early exposure to acetaminophen causes autism.”
One of the most important research projects he has conducted, Parker said, uncovered toxic effects of acetaminophen, particularly on infants and children. Parker claims, among other things, that the scientific evidence overwhelmingly indicates that early exposure to acetaminophen causes autism.
Jennifer Margulis & Joe Wang, January 2023
“Exposure of susceptible babies and children to acetaminophen (paracetamol) induces many, if not most, cases of autism spectrum disorder”
Based on available data that include approximately 20 lines of evidence from studies in laboratory animal models, observations in humans, correlations in time, and pharmacological/toxicological considerations, it has been concluded without reasonable doubt and with no evidence to the contrary that exposure of susceptible babies and children to acetaminophen (paracetamol) induces many, if not most, cases of autism spectrum disorder … We conclude that the very early postpartum period poses the greatest risk for acetaminophen-induced autism and that nearly ubiquitous use of acetaminophen during early development could conceivably be responsible for the induction in the vast majority, perhaps 90% or more, of all cases of autism spectrum disorder.
“Twenty-six of the mother and child studies found a link between acetaminophen exposure during pregnancy and neurodevelopmental outcomes”
Twenty-six of the mother and child studies found a link between acetaminophen exposure during pregnancy and neurodevelopmental outcomes, the statement noted. ‘The identified disorders were primarily attention deficit hyperactivity disorder, or ADHD, and related ADHD behavior abnormalities that also include autism spectrum disorder, language delays, decreased IQ and conduct disorders,’ said co-author Ann Bauer, a postdoctoral fellow and researcher at the Center for Autism Research & Education at UMass Lowell.
“Because Tylenol depletes glutathione — the body’s primary detoxification system — it may serve as an amplifier in the pathway to developmental regression.”
There are four vaccines given in pregnancy, and all list fever as an adverse effect in their package inserts. Women are then told to take Tylenol to manage the vaccine-induced fever. The same pattern occurs in childhood: most vaccine package inserts list fever as a common side effect, and parents are instructed to give Tylenol to manage it. Yet when studies link Tylenol to autism, none account for vaccination — even though vaccine-induced fevers are a primary reason Tylenol is taken. However, because Tylenol depletes glutathione — the body’s primary detoxification system — it may serve as an amplifier in the pathway to developmental regression. In this way, Tylenol does not replace vaccines as the central trigger, but it can magnify the risk of harm…
Vaccines May Activate or Create Infections
Yes, of course, vaccines cause autism, but here is the thing. Everyone talks about aluminum, and rightfully so BUT activating latent infections (or even creating new infections through contaminated vaccines, which is not uncommon, in my opinion) is a prominent way how vaccines may cause autism.
“This appears to be a ‘limited hangout’.”
While Trump mentioned hyper-vaccination in passing, the focus appeared to be on the use of the analgesic acetaminophen (Tradenames include Tylenol in the US and Panadol in Australia) in pregnancy. Furthermore, some emphasis was given to a promising drug treatment – leucovorin for cerebral folate deficiency which has been associated with autism. So, we are being led to think that the use of a problem drug might be fixed by another drug ……… a strategy which is appealing to Big Pharma. I’m not buying it....this appears to be a ‘limited hangout’.”
Phillip Altman BPharm, PhD, 2025
“This case-control study… found that acetaminophen use after measles-mumps-rubella vaccination was associated with autistic disorder.”
This case-control study used the results of an online parental survey conducted from 16 July 2005 to 30 January 2006, consisting of 83 children with autistic disorder and 80 control children. Acetaminophen use after measles-mumps-rubella vaccination was significantly associated with autistic disorder when considering children 5 years of age or less… Ibuprofen use after measles-mumps-rubella vaccination was not associated with autistic disorder. This preliminary study found that acetaminophen [Tylenol] use after measles-mumps-rubella vaccination was associated with autistic disorder.
Stephen T. Schultz et al, Autism, 2008
Taking medications while pregnant: 46% increased risk of baby becoming autistic. Taking psychiatric meds while pregnant: 68% increased risk of autism. Taking Tylenol while pregnant: cellular damage that is found in autistic brains.
Maternal prenatal medication use can be associated with a 46% increased risk of fetus autism. Research about different kinds of drugs have revealed a significant 68% increased risk of autism in relation to prenatal psychiatric medication use. The negative effect of prenatal medication use is caused by their placental crossing and disturbing fetal development, based on many studies. For example, use of antiepileptic drugs, as well as valproic acid, leads to fetal valproate syndrome, increases oxidative stress and varied gene expression pattern, and subsequently results in developmental delays, deficient motor activities and social behaviors, and finally, postnatal growth alterations. Moreover, it is confirmed that paracetamol (acetaminophen) [Tylenol], which is widely used as an analgesic/antipyretic drug, can induce apoptosis and necrosis that are observed in autistic brains. In addition, paracetamol (acetaminophen) induces oxidative stress and immune dysregulation in humans. Furthermore, positive connection between antidepressant medications and autism has been demonstrated in many studies.
Padideh Karimi et al, Journal of Research in Medical Sciences, 2017 and link
“Autism can be predicted by looking at the level of brain irritability in the child.”
Autism can be predicted by looking at the level of brain irritability in the child. Mercury, EMF, glyphosate, vaccine adjuvants, and processed foods are all contributing factors. The neural network disturbance found in the brain of autistic children has been shown to be proportional to the amount of mitochondrial dysfunction they have; in other words, autism is an outgrowth of mitochondrial stress and dysfunction. De novo (new) gene mutations can result when sperm is exposed to wireless radiation. Men desiring healthy children should avoid carrying their cellphone in their pants pocket.
Timing and quantity of vaccines associated with autism
