How do you prevent or treat Alzheimer disease and Parkinson disease?

There is no sure way to prevent Alzheimer's disease or Parkinson's disease, but some factors may reduce the risk. For example, staying active, both physically and mentally, eating a healthy diet, and managing cardiovascular health may all help lower the risk of these diseases. In terms of treatment, there are medications and therapies that can help manage the symptoms of both diseases. For Alzheimer's disease, drugs like donepezil and memantine may help improve memory and thinking skills. For Parkinson's disease, medications like levodopa and carbidopa can help reduce tremors and stiffness. Physical and occupational therapy can also play an important role in managing the symptoms of both diseases.