According to a report from the Centers for Disease Control (CDC), the most common reason for joint replacement is pain and a decreased quality of life … often caused by osteoarthritis, which occurs when cartilage in your joints wears down over time.
Recent advances in surgical techniques, such as computer-assisted and minimally-invasive procedures, have allowed patients to recover quickly and experience reduced levels of pain. This may account for the increase in the number of joint replacements — the demand for total hip replacements has increased by an astounding 60 percent and for total knee replacements by 70 percent in a 10-year period. Doctors performed 543,000 total knee replacements and 230,000 total hip replacements in 2007 (CDC).
The Hipster Club 
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