… about the disorder. “DLD is five times more common than autism yet very few people know about it,” said Dr. Tiffany Hogan, a national literacy and reading expert, … Lab and a professor of speech-language pathology at the MGH Institute. “If you know 50 people, you likely know at least four people with DLD but are unaware. DLD … language difficult. That, in turn, impacts quality of life. “People with DLD are also at significant risk of struggling with reading, spelling and mathematics,” said …