Sara Smythe, who was born with Down syndrome, developed a mysterious regression disorder as a previously sociable and active teenager. Her mother, Eileen Quinn, a developmental pediatrician in ...

Darci Owens, a health coach with Down syndrome, ... Dana was able to get help from one doctor who diagnosed the mysterious condition as a rare regression disorder; In April 2022, ...

A new research study led by Jonathan D. Santoro, MD, Director of the Neuroimmunology Program at Children's Hospital Los Angeles, shows evidence of dysfunction of the blood-brain barrier and ...