What Are the Three Main Causes of Autism?
Reviewed by Nechama "Nicole" Fried, MEd, BCBA, LBA
Autism doesn’t have a single cause. Instead, research shows it develops from a mix of
genetic and environmental factors. While every child is unique,
three main contributors are most often linked to autism:
- Genetics – Studies show autism tends to run in families. Certain genetic variations may influence brain development and how nerve cells communicate, making autism more likely.
- Brain Development – Differences in how the brain grows and connects can affect communication, social interaction, and behavior. Research suggests that early brain development plays a key role in the onset of autism symptoms.
- Environmental Factors – While not direct causes, factors such as prenatal exposure to certain medications, complications during birth, or parental age may increase the likelihood of autism when combined with genetic predisposition.
It’s important to note that autism is not caused by parenting style, vaccines, or diet. Instead, it’s the result of complex interactions between genetics and environment.
At Blue Jay ABA, we focus on helping children thrive with personalized ABA therapy across North Carolina, tailored to their needs and strengths.
Contact us today to learn how our ABA therapy programs can support your child’s growth and development.
SOURCES:
https://www.cdc.gov/autism/about/index.html
https://www.autismspeaks.org/what-causes-autism
https://www.mayoclinic.org/diseases-conditions/autism-spectrum-disorder/symptoms-causes/syc-20352928
https://www.niehs.nih.gov/health/topics/conditions/autism
https://my.clevelandclinic.org/health/articles/autism
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