10/11/2025
You’ve probably seen the headlines about Tylenol causing autism and ADHD. If you’re pregnant and scared, or a parent carrying guilt: You didn’t cause this.
The largest study on this question examined 2.48 million children. When researchers accounted for genetics and family factors, the associations completely disappeared.
We’re psychologists who assess neurodevelopmental differences every day. The rise in diagnoses isn’t an epidemic—it’s better recognition. Genetics play the largest role, not medications. And telling pregnant people to “tough out” fevers is genuinely dangerous.
The truth is more hopeful and more compassionate than the fear-mongering suggests.
Read our full blog post for what the science actually says, why this isn’t an epidemic, and resources for pregnant people and families.
https://deanpwa.com/autism-adhd-tylenol-pregnancy-truth/