Second Medical Opinion

Your trusted source for evidence-based medical information, reviewed by healthcare professionals

✓ Medical Professional Reviewed ✓ Evidence-Based Content ✓ Regularly Updated

Down Syndrome

Down Syndrome

by

Understanding Down Syndrome: Symptoms, Causes, Treatment, and Living with the Condition Introduction Down syndrome is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. This additional genetic material alters the course of development and causes the characteristics associated with Down syndrome. It is the most common…