What Causes Autism? Discover the Key Factors*

Autism isn't something to be "fixed" - it's a natural variation in human neurology.

Autism is a complex neurological difference that shapes how a person experiences the world. While researchers continue to explore its origins, we know that autism is not caused by parenting, vaccines, or personal choices. Instead, it results from a combination of genetic and environmental influences. Let’s break it down.

1. Genetic Factors: The Biggest Piece of the Puzzle

Autism often runs in families, suggesting a strong genetic component. Scientists have identified hundreds of genes linked to autism, each playing a small role in brain development. While no single "autism gene" exists, a combination of genetic variations can increase the likelihood of being autistic.

2. Brain Development Differences

Research shows that autistic brains develop differently from an early age. Differences in connectivity between brain regions can affect sensory processing, communication, and social interactions. These variations aren’t defects—they’re just another way the brain is wired!

3. Environmental Influences: The Supporting Role

While genetics lay the foundation, certain environmental factors during pregnancy and early childhood may also play a role. These can include:

• Prenatal factors (such as parental age, complications during birth, or exposure to certain medications)

• Early brain development influences (like premature birth or low birth weight)

  
  

However, these factors alone do not cause autism; they may only contribute alongside genetic predisposition.

4. The Reality: Autism is Natural, Not an Illness

Autism isn’t something to be "fixed"—it’s a natural variation in human neurology. Understanding its causes can help shift the focus from trying to prevent autism to creating a world that embraces and supports autistic people.

While we may not have all the answers yet, one thing is clear: autistic individuals bring incredible strengths, perspectives, and value to society.

For more information, download the One Autism Health app for FREE.

*results may vary, please consult a professional.