What is Fragile X Syndrome?

Fragile X Syndrome is a term for mental retardation. It was discovered in 1943 by James Purdon Martin and Julia Bell.  Some symptoms of Fragile X Syndrome is...

1. Delay in crawling, walking, and twisting 
2. Hand clapping
3. Hyperactive or impulsive behavior
4. intellectual disability
5. Speech and language delay
6. Tendency to avoid eye contact
7. Flat feet
8. Flexible joints and low muscle tones
9. Large body size
10. Large forehead or ears with a prominent jaw
11. Long face
12. Soft skin