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.
Treatment for Down syndrome is based on the person's physical problems and intellectual challenges. Many babies who have Down syndrome do not have good muscle tone, which makes it harder for them to roll over and walk. Physical therapy can help with these problems.