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1、ObesityandhowtoloseweightReporter:DongJiaojiaoWhatisobesityHowtodefineclassificationObesityseffectsWhatcausesobesityHowtoloseweightinhealthywayWhatisobesityObesityisamedicalconditioninwhichexcessbodyfathasaccumulatedtotheextentthatitmayhaveanadverseeffectonhealth.ManuelUribeBornJune11,1965Monterrey,
2、Mexicoreachedapeakweightofaround597kgsothathewasunabletoleavehisbedsince2001.afterdoctorstoldhimhewouldntlivetoturn50.Hestartedtoloseweightfrom2006.TheworldfattestmanHowtodefineitObesityisdefinedbybodymassindex(BMI)andfurtherevaluatedintermsoffatdistribution.AccordingtoBMIandfatdistribution,obesityc
3、anbedividedintoseveralgroups.1.AccordingtoBMIBMIiscalculatedbydividingthesubjectsmassbythesquareofhisorherheight.Formula:BMI=weight/height2BMIClassification18.5underweight18.5-24.9Normalweight25.0-29.9overweight30.0-34.9classIobesity35.0-39.9classIIobesity40classIIIobesity2.Accordingtofatdistributio
4、nPear-shapedobesityApple-shapedobesityObesityseffectsObesityisoneoftheleadingpreventablecausesofdeathworldwide.Obesityincreasestheriskofmanyphysicalandmentalconditions.Forexamplehighbloodpressure,highbloodcholesterol,type2diabetes.Whatcausesobesity1.Geneticfactors80%oftheoffspringoftwoobeseparentsar
5、eobese.AndscientistshavefoundtheFTOgenethatassociatedwithfatmassandobesity.2.LessexercisesDuetoincreasinguseofmechanizedtransportationandagreaterprevalenceoflabor-savingtechnologyinthehomeandwork,thereappeartobedeclinesinlevelsofphysicalactivity.Peoplealwaysreducethetimeofexercisesevendontdoexercise
6、stoanexcuseofbusywork.3.DietHabitImbalanceddietisthemostimportantfactorthatcausesobesity.Whentheobeseeat,theyintaketoomuchenergywhichismorethantheirbodiesneeds.Otherwisealmostofthemlovethesnacks,andbetweenthemealstheywilltakeextrafood.Ingeneral,theobesefavorhigh-caloriehigh-sugarandhigh-fatfoodwhich
7、aremoreeasilytransformedintofatinbody.4.SocialandPsychologicalfactorsInthemodernsociety,peopleconfrontmoreandmorepressures.Inordertorelievethesestress,peoplemustfindsomeway.Someturntochatorentertainment,whilesometurntofood.Theytendtoobtainthepsychologicalbalancebyovereating.Howtoloseweightinhealthyw
8、ayAsweknow,thegenesinheritedfromourparentscantbechanged,sowhatwecandoistochangeourlifestyle.Wecancontrolourdietanddosomephysicalactivitiesfromthefollowingaspects.First:thediet1.Beforeyougotothesupermarket,youshouldmakealistofwhatyouwant,incasethatyoubuyhigh-caloriesnacks.Dontletyourrefrigeratorfullo
9、fhigh-caloriesnacks.Youshouldreplacesnackswithfruitsandvegetables.Inmanytimes,peopleeatnotbecauseofhungerbutbecauseofthelargetemptationofdeliciousfood.2.Cookbyyourselfinsteadofeatingoutside.Generally,thefoodintherestaurantscontainalotoffat.Eatingoutsidecausestoomuchcaloriesintake.Cookingbyyourselfis
10、aneffectivewaytocontrolthecalories.3.DrinkplentyofwaterNeverunderestimatethepowerofthewater.Drinkingplentyofwaterwillnotonlybringmanybenefitstophysicalhealth,isalsoanimportantpartofweightloss.Drinkingplentyofwatercaneffectivelysuppressyourappetite.Thisisbecausethehumanbrainiseasytoconfusehungerandth
11、irst.Inotherwords,sometimesyouarehungry,perhapsjustthirsty.So,todrinkplentyofwateristheeasiestwaytoreducecalorieintake.4.EathealthyfoodHaveyoueverwondered,whyAsiansaresoslim?Thisisnotbecauseourgenes,butbecauseofourfood.MostAsianareasregardrice,fishandvegetablesasthemainrawmaterialsoflow-caloriefood.
12、ThisisthereasonwhyAsianscanmaintainslim.So,nexttimeifyouwanttoeathamburgers,itisnecessarytoreconsideryourchoice!5.EatslowlyFromthebeginningtoyourbraintoreceivetheinformationofthefullness,itneedsatleast20minutes.Soeatingtoofastwillmakeyoueatmorebecausethebraindoesntreceivethesignal.Therefore,trytoche
13、wfoodslowlysoastoenjoytheconversationwithyourfriendsorfamily!Second:exercises1.doenduranceexercisesInalltypesofsports,theenduranceexercisescanobviouslyaffectthefatmetabolisminthehumanbody.Familiarenduranceexercisesarehiking,swimmingandlong-distancerunning.2.ChoosetheappropriateoneforyourselfEveryone
14、isdifferent.Whenyoumakethedecisionabouttheexercise,youshouldchoosetheoneappropriateforyourself.Whatelseyoushouldconsideriswhentoexerciseandtheintensityoftheexercise.Youreverydecisionmustbemadeaccordingtoyourownphysicalcondition.3.PersistencePersistenceisastrongguaranteeforsuccessfulweightloss.Ifyougiveuphalfway,alltheeffortsandobjectivesturntobeempty.Whenyouaretired,youcanimageyourbeautifulfigureandhealthbodytogaintheenergyandcouragetoinsist.