What are the physical symptoms of the disease?

• Mental retardation
• Enlarged Testes
• Facial abnormalities
• Behavioral problems
• Autism like behavior (flailing of the arms etc.)
• Prominent ears
• Hyperactivity
• Delayed motor development
• Poor sensory skills
• Many people with the syndrome show aggressive behavior later in their life.
• Narrow face
• Prominent jaw
• Frequent ear and sinus infections
• Flat feet
• A heart condition called Mitral valve prolapse is likely to develop.
• A lazy eye
• Nearsightedness