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Obesityisasymptomcausedbyimbalanceofenergymetabolisminthehumanbody .Gen erallyspeaking ,whenthefatcontentofthebodyincreases (theheatderivedfromthedigest edfoodismorethanconsumedheatandstoresinthehumanbodyasafatform)andexceedsabove2 0 %ofthestandardbodywei