<正>Thebeneficialeffectsofappropriatephysicalactivity(PA),physicalfitness,anddietduringadultlifearewell-documentedbutthepotentialofappropriatePA,physicalfitness,anddiettoconferbenefitsonhealthandwell-beingduringchildhoodandadolescencehasnotbeenexploredfully.Recognizingthevalueofcriticalreviewsoftheextantliteratureinprovidingafoundationforfutureresearch,theJournalofSportandHealthScience(JSHS)hascommissionedtwoSpecialIssuesdevoted