Transplanted cells to help Parkinson's patients can survive in the brain for over one and half decades. However, some of the transplanted cells developed Parkinson-like features which is very surprising.

These are the main findings of a study on grafting of new neurons to the brain in patients with Parkinson's disease.

'Previous studies have shown that transplanted dopamine cells can clearly improve speed of movement, reduce rigidity and the need for medication for at least a decade', says a Neurobiology...