According to the Centers for Disease Control and Prevention (CDC), hip replacements are among the most common surgical procedures in the United States; and with osteoarthritis and obesity on the rise, demand for the procedure is expected to grow. From 1996 to 2006, the number of hip replacement surgeries performed nationally increased by 30 percent, partial hip replacements increased by 60 percent; and the number of the surgeries performed on those aged 65 years and older is more than three times that of their younger counterparts (source: CDC)...
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