Describe the symptoms and immediate cause of Parkinson's disease. List the possible environmental factors in Parkinson's disease. Discuss the problems with the toxin - exposure hypothesis. Contrast the effects of deprenyl and of L-DOPA on Parkinson's disease. Discuss the role of genetics in Huntington's disease.
Haloperidol is a drug that blocks dopamine synapses.
The authors describe the research that is currently being conducted to find a cure for Parkinson's disease. Scientists now believe that the disease is due to the death of dopamine-producing neurons, which are destroyed by free radicals. Ultimately, scientists hope to be able to prevent the disease by stopping the destruction of the neurons.