First discovered by Dr. James Parkinson, Parkinson's disease results from a dopamine depletion from a destruction of specific cells in the brain. Patients with Parkinson's disease have problems moving, with symptoms that include tremors, a stooped position, muscle aches, rigid muscles, shuffling movement and problems walking. A lack of facial expression can also occur.
One treatment option for Parkinson's disease is medication, though the beneficial effects can lessen over time. Some of the medications for Parkinson's disease work by increasing dopamine levels in the brain, which improve symptoms. The
But while these dopamine-affecting drugs can help with the symptoms of Parkinson's disease, they can cause serious side effects. In a new study published in the Archives of Neurology, researchers found that these medications can increase compulsive behaviors in Parkinson's disease patients. The study included 3,090 patients with Parkinson's disease.