Sara Smythe, who was born with Down syndrome, developed a mysterious regression disorder as a previously sociable and active teenager.

Darci Owens, a health coach with Down syndrome, was looking forward to covering the Special Olympics for ESPN — when suddenly, she couldn't walk or talk Her mother, Dana Owens, tells PEOPLE her ...

Remi Lee was born with “medical stuff.” She has caudal regression syndrome, a condition that affects the development of the lower part of a child’s body. It affects one to two out of every ...

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 ...