This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'All the following statements are true regarding Parkinsonism disease developing in people > 70 years of age, except - \nSelect and explain. \nA. The long-term side effects of levodopa such as dyskinesia are less, B. They are more likely to develop autonomic disturbances, C. Cognitive changes and dementia are more common, D. Prognosis is worse', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]