2012f-404 2015l-020 613 child children choicebehavior contagious demographicaspects diseases economicaspects education educationalequalization educationalstatus environment environmentalexposure environmentalhealth environmentallyinduceddiseases environmentalmedicine environmentalsciences environmentandpublichealth fitness geography geology governmentregulation health healthandhygiene healthaspects healtheducation healthriskassessment healthstatus healthstatusindicators healthyliving holism industry infant infectiousdiseases interinstitutionalrelations medical medicalgeography medicine methods models nursing occupationalhealth populationsurveillance preventivemedicine publichealth publicpolicy reference riskassessment riskfactors socialsciences socioeconomicfactors standards statistical studyandteaching unitedstates