In March 2009, researchers at Duke University reported in the journal Science that by electrically stimulating the spinal cords of rodents, they had reversed some of the worst symptoms of Parkinson's disease.
For more information check out these articles at Parkinson's Disease Foundation,
the New York Times and The Michael J. Fox Foundation. 

President Barak Obama signed an executive order reversing the ban on federal support for stem-cell research on March 9, 2009.

Sergey Brin, the billionaire co-founder of Google, says he plans to contribute money and his DNA to a large study intended to reveal the genetic underpinnings of Parkinson's disease. For more details please goto http://www.pdf.org/en/pd_comm_news/release/pr_1236910668

Peview the entire WGBH program here.