At what age do symptoms of Fragile X - associated tremor/ataxia syndrome (FXTAS) start appearing?

For men who are premutation carriers, the chance of developing core symptoms of FXTAS (tremor, problems with walking/balance) increases with age: 

• Ages 50-59 the chance is about 17%. 
• Ages 60-69 about 38%. 
• Ages 70-79 about 47%. 
• Over 80 years old, about 75% will develop symptoms of FXTAS. 

For women 8%-16% of women older than 40 years of age may develop FXTAS.

Learn more:

• FXTAS  
• Fragile X Info Series: FXTAS  
• Treatment and Intervention Recommendation for FXTAS  
• View the following session from the 17th NFXF International Fragile X Conference Virtual Series:  Fragile X-Associated Tremor/Ataxia Syndrome 101