Last week, Dr. Otis Brawley answered Beth's question about whether her chemotherapy for breast cancer could be causing her hands to shake excessively. Now he looks at other reasons this might be happening.
When Nina Temple was diagnosed with Parkinson's disease in 2000, then aged 44, she quickly became depressed, barely venturing out of her house as she struggled to come to terms with living with the chronic condition.
People with Parkinson's disease who have a pacemaker-like device implanted in the brain spend an extra four-plus hours a day free of tremors and involuntary movements than they do on medication, according to the largest study of the treatment, which is known as deep brain stimulation.
Long-term outcome research indicates that deep brain stimulation holds promise for the treatment of intractable major depression and obsessive-compulsive disorder, a frequent companion illness. The technique targets a specific node in the cerebral cortex. When that one region is stimulated, the effects spread throughout the frontal lobe of the brain.
The selection of 2008's Top 10 CNN Heroes was made by a Blue Ribbon Panel of distinguished leaders and humanitarians. All of our judges are themselves heroes to others through their continuing commitment to public service.
It's estimated 60,000 new cases of Parkinson's disease are diagnosed each year in the United States. Dr. John Growden of Massachusetts General Hospital has been studying the condition for 25 years. He spoke with CNN about the incurable brain disorder.
Rayilyn Brown, 69, has lived with the debilitating symptoms of Parkinson's disease for nearly a decade. Two years ago, she underwent a treatment call deep brain stimulation, which, along with "brain pacemakers" have improved her quality of life. Here is her story:
An ailing Pope John Paul II has blessed tens of thousands of jubilant pilgrims and tourists marking Easter Sunday in St. Peter's Square by making the sign of the cross with his hand, but he was unable to speak.