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"Sometimes, too much of a good thing can hurt. And if you&amp;#039;ve aggravated your bursa -- a fluid-filled cavity that protects and lubricate your joints -- it&amp;#039;s not something to be ignored."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/diseases-conditions/musculoskeletal/10013-10-ways-to-deal-with-bursitis7.htm>