Scientists are reporting a breakthrough discovery: A $3-per-pill epilepsy drug may be used to “switch off” autism symptoms in mice, according to a new peer-reviewed study published Tuesday in Molecular Psychiatry journal. Autism spectrum disorder is a complex developmental condition that impacts how an estimated 5.4 million (2.2% of) adults — and one in 44 children — in the United States perceives and socializes with others. It is often accompanied by abnormalities such as epilepsy or hyperactivity, according to Centers for Disease Control and Prevention data. A team of experts at Germany’s Hector Institute for Translational Brain Research found that...