aspectssocio-economiques bericht congres congresses control control[mesh] disease epidemiologie epidemiology fettsucht fitness globalhealth governmentpolicy health healthcareissues healthissues healthplanning healthpolicy obesite obesity obesity[mesh] overgewicht overweightpersons planning politicalscience politiquenutritionnelle pra˜vention preventievegeneeskunde prevention publichealth publichealth[mesh] publicpolicy santepublique socialaspects socialpolicy socialscience weightloss weightloss[mesh] worldhealth