Jonathan D Picker, MD - Boston

Specialties: Fragile X Syndrome Fragile X syndrome is a genetic condition that can cause a range of learning and developmental problems. These can include: intellectual disability hyperactivity or attention deficit disorder (ADD) anxiety autism spectrum disorder seizures hypotonia Some children with fragile X may also have mildly characteristic features such as prominent ears. Fragile X is more common in boys than girls, and boys with fragile X usually have more severe symptoms.