Down syndrome is also know as” Trisomy 21″. It is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. Down syndrome can be identified during pregnancy by prenatal screening followed by diagnostic testing, or after birth by direct observation and genetic testing. Education and proper care have been shown to improve quality of life. Some children with Down syndrome are educated in typical school classes, while others require more specialized education.
Down syndrome is the most common chromosome abnormality in humans. In 2013 it resulted in 36,000 deaths down from 43,000 deaths in 1990. It is named after John Langdon Down, the British doctor who fully described the syndrome in 1866. Here are the self-portaits of people who are suffering from this cause.