Fragile X syndrome is a genetic disorder that affects a person’s development, especially that person’s behavior and ability to learn. In addition, Fragile X can affect:
- Communication skills
- Physical appearance
- Sensitivity to noise, light, or other sensory information
Fragile X syndrome is the most common form of inherited intellectual and developmental disability (IDD).
People with Fragile X syndrome may not have noticeable symptoms, or they can have more serious symptoms that range from learning disabilities to cognitive and behavior problems.