February 18, 2010 — Inhaling the hormone oxytocin appears to improve social interactions in adults with high-functioning autism spectrum disorder (HF-ASD), new research suggests. The study showed that ...

Readers weigh in on the challenges of defining and diagnosing the condition. To the Editor: Re “In New Focus on Autism, Some Worry the Spectrum Is Too Broad” (front page, Oct. 5): One thing’s for ...