Down syndrome is a condition which causes mental and physical developmental delays in a child.

Causes

• An  extra chromosome 21 (partial or complete)

Symptoms

• Flat face
• Upward slanting eyes
• Small ears
• Protruding tongue
• A single crease across the palms
• Lack of muscle tone
• White spots on the iris
• Congenital heart defects
• Thyroid dysfunction
• Mild to moderate mental retardation
• Delay in reaching developmental milestones

Treatment
There is no cure for Down syndrome but early intervention can improve the quality of life. It can be done through:

• Speech therapy
• Occupational therapy
• Physical therapy
• Special education

Prevention
There is no way to prevent Down syndrome.