This document discusses reading disabilities and provides information on causes, prevalence, assessments, and processing challenges. Some key points include: - Reading disabilities are the most common learning disorder and can cause behavioral/emotional problems if left untreated. - Factors like low birth weight, premature birth, neurological problems, and other health conditions may increase the risk of reading disabilities. - Assessments of phonological awareness, rapid naming, working memory, and other language skills are important for identifying processing challenges underlying reading disabilities. - National studies found around 20-30% of children face significant challenges learning to read.