Final answer:
Mia, who has Parkinson's disease, is likely on a mail-order drug plan.
Step-by-step explanation:
Mia, who has Parkinson's disease, is likely on a mail-order drug plan. A mail-order drug plan allows patients to receive their medications via mail, typically in larger quantities, which can be more convenient for those with chronic conditions like Parkinson's disease. This saves her from having to make frequent visits to the pharmacy.