This graph shows population projections for the United States of America. The estimated population of the USA in 2050 is 398 million residents.
Down Syndrome â Speech Therapy for Children with Down syndrome have strengths and challenges in development of communication skills, including receptive (understanding) language and expressive (speaking and composing sentences) language skills and reading.
Tweet. Speech therapy is a treatment for speech and language disorders. A speech disorder involves a problem producing words and sounds, whereas a language disorder refers to a difficulty understanding words and putting together sentences and ideas for communication.