You see a 12-year-old child in clinic who has been assessed as obese. No underlying cause has been discovered and simple obesity is diagnosed.Which of the following statements is correct regarding simple obesity?

A、Failstorespondstodietarymeasuresinmorethan50%ofcases
B、Hasanassociationwithshortstatureinchildhood
C、Hasarecognisedassociationwithobesityinparents
D、Isassociatedwithdelayedpuberty
E、Ismorethantwiceascommoningirlsasinboys