Hebrew University researchers have discovered in lab tests that autism indicators increase as Nitric Oxide increases in the brain. Conversely, inhibiting production of NO increased “social” behavior, and interest in new objects while reducing repetitiveness and anxiety.
https://www.jpost.com/health-and-wellness/mind-and-spirit/article-743947
https://www.israelnationalnews.com/news/371790 https://onlinelibrary.wiley.com/doi/10.1002/advs.202205783