May 2025 marked a significant development in the world of autism research. The National Institutes of Health (NIH) announced a new $50 million initiative aimed at investigating the genetic and environmental factors contributing to autism spectrum disorder (ASD). With plans to award 10 to 25 grants—each worth up to $5 million—this effort represents one of the largest single-year investments in autism research by the NIH to date. A Dual-Focus Approach: Genetics and Environment