Deep brain stimulation : a new life for people with Parkinson's, dystonia and essential tremor

"In the United States, an estimated 42 million people suffer from some form of movement disorder, including Parkinsons disease (PD), essential tremor (ET), and dystonia. Although medications may be helpful for these conditions, in many patients, symptoms cannot be controlled with medications alone. In such situations, their physicians may recommend a surgical procedure known as Deep Brain Stimulation (DBS). DBS is a revolutionary technology us...