"This is such an uplifting study to read! It matches well with the strengths I see from my son. Kindness, perseverance, love of learning...

Health professionals need to know that having an extra X chromosome is not just an endocrine issue, it can affect early brain development...

“Contrary to other genetic syndromes that arise from chromosomal trisomy (eg, Down syndrome trisomy 18), the overall cognitive abilities...