Beyond the Debate: What the Genetics of Autism Tell Us (and How We Build a World Where Everyone Thrives)
What causes autism? A review of the National Autistic Society’s statement on the cause of autism.
Understanding where autism comes from is essential to creating spaces where neurodivergent individuals can reach their unique potential.
The National Autistic Society (NAS) recently updated its guidance on the causes of autism. Their goal: to ground the conversation firmly in modern science and clear away decades of misinformation.
At Lake Ridge Community Support Services, our vision is a society where everyone can thrive. That starts with understanding the facts, respecting the spectrum of community perspectives, and committing to neuro-affirming support. Here is a breakdown of what the research shows, why the NAS released this position, and how it informs our work every day.
What the Research Says: The Core Takeaways
The updated NAS release isn't based on a single study, but rather on decades of massive, population-level research involving millions of families globally.
Autism is overwhelmingly genetic: Twin and family studies show that genetics account for 60% to 80%+ of autism likelihood. Most of this comes from thousands of common, inherited gene variations working together.
Environmental factors act early and rarely alone: Factors like severe oxygen deprivation at birth, extreme prematurity, or maternal exposure to specific anti-seizure medications (like Valproate) can play a role, but almost always in combination with underlying genetics.
Post-birth myths are debunked: Vaccines, everyday over-the-counter paracetamol use, and gut microbiome variations do not cause autism.
There is no single "autism gene": Thousands of subtle genetic combinations influence how the brain develops. This is why autism looks and feels completely different for every single person.
Why Did the NAS Release This Now?
The NAS update serves three clear purposes:
Shift to a Neurodiversity Framework: By framing autism as an inherited genetic variation, the NAS emphasizes that autism is a natural difference in human biology—not a disease, injury, or system failure.
Eliminate Parental Guilt and Blame: For generations, parents—especially mothers—were wrongly blamed for their child's autism. Clarifying the strong genetic foundation removes this unnecessary guilt.
Shut Down Harmful "Cures": Reaffirming that thousands of genetic factors shape autistic neurology makes it clear that there is no "cure" or quick fix. The NAS explicitly rejects cure-seeking and unproven, dangerous interventions.
Listening to Our Community: How Different Groups Reacted
Because autism touches lives in unique ways, news like this naturally sparks different conversations across the community:
Autistic Individuals & Self-Advocates welcomed the statement, praising the validation of autism as an inherent identity and the firm rejection of cure-oriented narratives.
Parents & Caregivers expressed mixed emotions. Many felt deep relief that nothing they did during pregnancy or parenting "caused" autism. At the same time, parents caring for children with high support needs or complex co-occurring medical conditions expressed concern that downplaying physical challenges might obscure the intense daily support their families require.
Researchers & Clinicians broadly supported the update, noting that it translates complex genomic data into clear, accessible language for the public.
What This Means for Our Approach to ABA at Lake Ridge
At Lake Ridge Community Support Services, we believe that understanding autism is the key to creating accessible, inclusive spaces.
When you look at the science, one thing becomes obvious: autism is an integral part of how a person experiences the world.
That is why our view of Applied Behaviour Analysis (ABA) has nothing to do with changing who someone is or suppressing natural autistic traits. We don't try to reduce "symptoms" or fit neurodivergent individuals into a neurotypical mold.
Instead, our mission is to help individuals thrive in a world that wasn't designed for them.
| OUR APPROACH TO ABA | |
|---|---|
| ✖ NOT about changing identity or masking natural traits | |
| ✔ ABOUT developing practical skills for autonomy & self-advocacy | |
| ✔ ABOUT building resilience & navigating everyday environments | |
| ✔ ABOUT partnering with families to foster acceptance & access |
For us, modern ABA is a tool for skill development, self-advocacy, and independence. It’s about teaching a young person how to express their needs, helping an adult navigate community goals, and giving families the strategies they need to feel confident.
Science confirms that autism is a natural, complex genetic reality. Our commitment is to walk alongside you with compassion, evidence-based practices, and an unwavering focus on potential.
Want to learn more about the National Autistic Society’s statement: Explore the NAS Blog Post or Explore the NAS What causes Autism Page.