Key Takeaways The Direct Answer: Head Trauma Does Not Cause Autism Traumatic brain injury — whether from a fall, car accident, sports collision, assault, or any other mechanism — does not cause autism spectrum disorder in the clinical, neurodevelopmental sense. Autism’s neurological foundations are established during prenatal brain development. The genetic variants, altered connectivity patterns, […]

Key Takeaways The Direct Answer: Red 40 Does Not Cause Autism Red 40 — formally called Allura Red AC or FD&C Red No. 40 — is a synthetic petroleum-derived food dye found in hundreds of everyday food products. It is also the subject of genuine concern among parents and researchers about its behavioral effects on […]

Key Takeaways The Direct Answer: Early Walking Is Not a Recognized Sign of Autism If your baby walked at 9 or 10 months and you are wondering whether this is connected to autism — the answer is no. Early independent walking does not appear on any autism screening tool, in any diagnostic criteria, or in […]

Key Takeaways The Direct Answer: Autism Doesn’t Cause Tics — But the Two Are Closely Linked The relationship between autism and tics is real, significant, and genuinely complex — but characterizing autism as causing tics is not quite accurate. Autism is a neurodevelopmental condition defined by differences in social communication and restricted, repetitive behaviors. Tic […]

Autism sensory issues are differences in how the autistic nervous system receives, processes, and responds to sensory input from the environment and the body itself. For most autistic individuals, these differences are not occasional inconveniences but a constant feature of daily experience that shapes where they can go, what they can wear, what they can […]

Key Takeaways The Direct Answer: Yes — and It Is More Common Than Most People Expect One twin can absolutely have autism while the other does not. This occurs in fraternal twin pairs regularly — fraternal twins share only about 50% of their DNA, the same as any two siblings — and it also occurs […]

Autism sleep problems affect the majority of autistic individuals across the lifespan, and they are among the most consistently underaddressed challenges in autism support planning. Research estimates that between fifty and eighty percent of autistic children experience significant sleep difficulties, a rate dramatically higher than the general pediatric population, and those difficulties do not reliably […]

Distinct anxiety in autism refers to anxiety that presents through uniquely autistic patterns of behavior and experience, making it harder to recognize, easier to misattribute, and more resistant to standard anxiety treatments than anxiety in neurotypical individuals. Research estimates that between 40 and 60 percent of autistic individuals meet clinical criteria for at least one […]

Emotional dysregulation in autism refers to the difficulty autistic individuals experience when trying to manage, modulate, or recover from intense emotional states, and it is one of the most exhausting and misunderstood aspects of autism for both the individuals experiencing it and the families supporting them. Research suggests that up to 70 percent of autistic […]