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<http://webisa.webdatacommons.org/prov/103445485>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/252742436> .
<http://webisa.webdatacommons.org/252742436>	<http://www.w3.org/ns/prov#value>	"Professor Tim Key, an expert on diet and cancer, said: It is now well established that being overweight increases the risk of developing several types of cancer." .
<http://webisa.webdatacommons.org/252742436>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<bbc.co.uk> .