Down syndrome is a genetic condition. It is not an illness or disease. Down syndrome is caused when there is an extra chromosome. People with Down syndrome have 47 chromosomes in their cells instead of 46. Down syndrome As of 1950s, life expectancy for people with Down syndrome was as low as 15 years of age. In recent times, progress in medical and social sciences has very much improved the health and the quality of life enjoyed by people with Down syndrome. In Australia today, most people with Down syndrome will enjoy a long and healthy life.
There is no single, standard treatment for Down syndrome.Treatments are based on each individual's physical and intellectual needs as well as his or her personal strengths and limitations. Down syndrome is the most common cause of intellectual disability. Down syndrome Everyone who has Down syndrome will have some level of intellectual disability.