What is Down Syndrome?
What is the disease? What does the disease do to a person?
Down Syndrome is a genetic disorder caused when abnormal cell division results in extra genetic material from chromosomes 21. This genetic disorder causes lifelong disability and developmental delays. In some people it causes health problems.
How many people are affected? Who is affected? How common is it?
One in every 691 I'm the US are born with Down Syndrome about 6,000 each year. There are about 400,000 people living with Down Syndrome. Down Syndrome happens in people of all races and economic levels. Down Syndrome is one of the most common genetic birth defects.