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.
Speech therapy. Speech therapy improves velopharyngeal function when velopharyngeal dysfunction (VPD) is minimal or due to articulation errors and in postoperative patients. Compensatory articulation techniques secondary to VPD also can be corrected with speech therapy.