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What is meant by advanced age and why does it matter?

According to the Centers for Disease Control and Prevention (CDC), the definition of an "older adult" can vary, highlighting the fact that there is no single, universal standard for **what is meant by advanced age**. Instead of a fixed number, the meaning of advanced age is a fluid concept that changes depending on the context—from legal and medical definitions to specifics regarding fertility. Understanding these different definitions is crucial because the implications of advanced age affect everything from healthcare to family planning.