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The Boston Globe

Business

Living longer, living better

Can surgery help you stay in the game?

Demand for knee and hip replacement rises

A rthritic knee crimping your tennis game? Toss it out and get a new one.

Demand for joint replacement surgery, once confined largely to patients well past retirement age, has been growing rapidly among a class of people doctors have dubbed the “young actives’’ - those in the 45 to 64 age group who are determined to stay fit.

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