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Knee replacements lacking proper research

In 2008 there were 650,000 knee replacement surgeries performed at a staggering cost of 10.4 billion dollars.  Take into account the baby boomers and the incredible amount of elderly who are going to be having knee issues and we can see that number will only increase.  Recently The Lancet found that there is not enough evidence regarding the safety or efficacy of these knee replacements from larger non biases studies.  Although smaller studies do exist they commonly belong to someone with a possible bias towards the product such as a co-owner or inventor.  Although the research authors noted very good results overall with knee replacement surgery they cautioned that there are risks which need to be weighed when considering this surgery.

Source: Scientific American Photo: Knee Replacement CC BY-SA 3.0

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