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What is a primary contributor to polypharmacy in older adults?

According to the World Health Organization, the number of people aged 65 and older is projected to reach 1.5 billion by 2050. This aging population, often living with multiple chronic health conditions (multimorbidity), makes multimorbidity a primary contributor to polypharmacy in older adults. This article explores the complex factors behind polypharmacy and its impact on older adults.