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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Eating enough foods rich in calcium and vitamin D and participating in weight-bearing exercises are important steps in preventing osteoporosis.Causes of OsteoporosisBone is made up mostly of minerals such as calcium.
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  • canada.com