New research reveals how a medical device helped one man with paralysis walk naturally again, more than a decade after an injury.Dr. Grégoire Courtine and colleagues from the Swiss Federal Institute ...

(CNN) — Dr. Jaimie Henderson had a single wish throughout childhood: for his father to be able to speak with him. Now a scientist and neurosurgeon at Stanford Medicine, Henderson and his colleagues ...

In 2005, Ann Johnson suffered a stroke that left her severely paralyzed and unable to speak. She was 30. At best, she could make sounds like “ooh” and “ah,” but her brain was still firing off signals.