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The cause of restless leg syndrome is not completely known, but many doctors believe it can be related to genetic factors, low iron levels in the brain or the result of various dis...

Down Syndrome
Down syndrome is a genetic abnormality that occurs due to an extra copy of chromosome 21. It causes lifelong developmental delays that can range from moderate to severe. It cannot be cured but can be managed with educational interventions, specialized parenting techniques, and community engagement. These all can encourage a person with Down syndrome to develop life skills and social bonds. Many Down syndrome patients live past the age of 50. More »
New Down syndrome therapy discovered
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Gene ZSCAN4 may help treat Down syndrome
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Down syndrome

The average IQ of a young adult with Down syndrome is 50, equivalent to the mental ... The genetic cause of Down syndrome—an extra copy of chromosome ...
Voting for the 2012 Readers' Choice Awards is in progress on's Parenting Children With Special Needs site, and several Down syndrome resources are among the contenders in five of the eight categories. Check out the Down syndrome-related finalists below and vo... More »

Down syndrome Causes - Mayo Clinic

Down syndrome — Comprehensive overview covers causes, risk factors and diagnosis of this genetic disorder.

What causes Down syndrome? - NICHD - National Institutes of Health

Down syndrome is caused by a random error in cell division that results in the presence of an extra copy of chromosome 21. The type of error is called ...

Down Syndrome - Symptoms, Causes, Diagnosis and Treatment ...

Down syndrome is a set of physical and mental traits caused by a gene problem that happens before birth. Children who have Down syndrome tend to have ...

What Is Down Syndrome? What Causes Down Syndrome? - Medical ...

Jun 16, 2015 ... Find out about down syndrome (down's syndrome) - a chromosomal disorder caused by an error in cell division. Discover what causes it and ...

Down Syndrome: Get the Facts on Symptoms - MedicineNet

Jun 11, 2015 ... Down Syndrome Causes and Symptoms. Down syndrome is a genetic disorder in which, most often, a third copy of chromosome 21 is present ...

Causes of Down Syndrome
Down syndrome is a chromosomal disorder. Instead of having 46 chromosomes, 23 from each parent, a child with Down syndrome ends up with 47 chromosomes. This leads to delays in development and other health problems. The life expectancy for Down syndrome... More »
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Popular Q&A
Q: What is the cause of Down's Syndrome?
A: Down's Syndrome is the unfortunate effect of an error that takes place during cell division at fertilisation. The error leads the child to have an extra 21st ch... Read More »
Q: What are the causes of down syndrome?
A: Downs syndrome is in medical terms called Trisomy 21 as it is caused by a genetic defect in the 21st set of chromosome, usually you have 44 chromosomes - 22 fro... Read More »
Q: What is the cause of down syndrome?
A: Common Down syndrome effects can include thyroid problems, hearing problems, Read More »
Q: What are the causes of Down Syndrome?
A: Most of the time, the occurrence of Down syndrome is due to a random event that occurred during formation of the reproductive cells, the ovum or sperm. As far a... Read More »
Q: What is the cause of downs syndrome?
A: Down syndrome, also called Trisomy 21 is a condition in which extra genetic Read More »