Down syndrome is a disorder in which there chromosome (47 instead of 46) in the sufferer. This extra genetic material causes problems with the way the body develops.
People with Down syndrome have certain features such as a flatter face and upward slanting eyes. They have medical problems too such as heart defects, Children with Down syndrome usually have trouble learning and are slower to learn to talk and take care of themselves.
There is no cure for this illness but through medicines. surgeries, education and therapies, people with Down syndrome can learn to live independently and make a positive contribution to the society.