Causesofadolescentobesityandthehealtheffectsof[Keywords:]obesity;metabolicsyndrome;behavioralinterventionObesityisacommonnutritionalproblemsofyoungpeople,bothindevelopedanddevelopingcountries,itsincidencehasincreasedyearbyyeartrendinwhichagreatdegreeendangeringthehealthydevelopmentofyoungpeople.CapitalInstituteofPediatricsandresponsible“children,adults,chronicdiseaseresearchprojecton“Theresultsshowthathighbloodpressure,highcholesterol,diabetesandotherchronicdiseasesofadultsoftheseinthepast,nowthreatenthehealthofchildrenandadolescents,knownasthe”childrenofadultchronicdiseases.“resultinginacommoncauseofthesediseasesObesityisthepast20years,obesityratesinchildrenandadolescentsinBeijingincreasedby5-7times,0-18yearsoldchildrenandadolescents,therearetwopeopleoutof10overweightorobese,obesityranksfirstinthecountry.1Thefollowingcausesofjuvenileobesityandcardiovascular,metabolicandothersideeffectsofabriefoverview.AdiagnosisObesityis,exceptbygeneticdiseases,metabolicdiseases,traumaorotherdiseasescausedbysecondary,morbidlyobese,butsimplybecauseofexcessivenutrientscausedbyexcessivebodyfataccumulationmeasuredweightofmorethan20%weightforheightabovecanbediagnosedasobese[1]presentdiagnosticcriteriaforseveraltypesofchildobesity,promotingtheuseofbodymassindex(BMI,ieweight/height2indexforthediagnosisofchildhoodobesity[2]normalweightBMIof18.5to24.9;overweightBMI25~29.9;obesityBMI30~39.9.ⅠlevelofobesityarefurtherdividedintoobeseBMI30~34.9;ⅡgradeobesityBMI35.0~39.9;ⅢgradeobesityBMI>40[3].2reasonsforobesity2.1Genetic:youngchildren,obesityandgeneticfactorsarecloselyrelated,oftenafamilyhistoryofobesechildren,accordingtotheinformationreportedin[4],bothparentsareobese,children,70%to80%wereobese;oneoftheparents2(especiallymothers)wereobese,40percentofchildrenofobeseparentsarenon-obesechildren,only10%to14%wereobese.Twinstudiesshowthatmonozygotictwinseitherinthesamefamilygrowup,orseparatesupport,theirsmalldifferencesinbodyweight;twotwinsverydifferentadultbodyweight,1/3ofthetwotwinsoftheiradultweightdifferenceofupto6kg.Anotherreport,ZhangjiagangCenterforDiseaseControlandPrevention,primaryandsecondarystudentsinthe5312surveyfound:8.1%obese,obesityprevalencebetweenboysandgirlsthedifferencewasnotstatisticallysignificant(P>0.05.andparentsandyouthobesity,obesitywassignificantlyassociated(P=0.003,parentalobesityisariskfactorforobesityamongyoungpeople,andthemotherofyoungpeopleobesityobesitythegreatestimpact,butthegrandfather,grandmother,grandfather,grandmother,uncleandauntobesityandobesitywerenotsignificantlyassociatedwithyoungpeople[5].2.2birthweight:birthweightandtoexploretherelationshipbetweenchildoverweightandobesity,to3preventandreducechildobesityprovideascientificbasis.Inrecentyears,scholarshavenotedforeignbirthweightandacquiredobesityandmetabolicdiseaseswas“U”-shapeddistribution,thatis,lowbirthweightandhighbirthweightmayallbeacquiredobesityandmetabolicdiseaseriskfactors[6]presentdomesticstudieshaveshownthatbirthweightandtherelationshipbetweenchildhoodobesity.Buttherearedifferentresults,LiangFengying[7]andotherstudiesshowedthatobesechildrenandthereisnocorrelationbetweenbirthweight,Hsiu[8]andotherstudiessuggestthatobesity,prematurelowbirthweightchildrenwaslowerthannormalbirthweightchildrentherereportedcross-sectionalsurveyusingclustersamplingsurveyoftheepidemiologyandtrackingmethod,theBeijing193h...