Fragile X Syndrome
How many people have it?
1 out of 4,000 males have it and 1 out of 8,000 females have it. More boys have it than girls because boys only have one x chromosome.
What is it?
It happens when DNA repeats it's self. It could even repeat it's self more than 200 times.
Is there a cure for it?
No, but you can work on behavior, vision, and hearing.