【.CHICAGO(Reuters)-Smokingnotonlycanwrinkle(起皱纹)thefaceandturnityellow--itcandothesametothewholebodyresearchersreportedonMonday.ThestudypublishedintheArchivesofDermatologyshowsthatsmokingaffectst】
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CHICAGO(Reuters)-Smokingnotonlycanwrinkle(起皱纹)thefaceandturnityellow--itcandothesametothewholebodyresearchersreportedonMonday.
ThestudypublishedintheArchivesofDermatologyshowsthatsmokingaffectstheskinalloverthebody--evenskinprotectedfromthesun.
"Weexaminednon-facialskinthatwasprotectedfromthesunandfoundthatthetotalnumberofpacksofcigarettessmokedperdayandthetotalyearsapersonhassmokedwerelinkedwiththeamountofskindamageapersonexperienced"Dr.YolandaHelfrichoftheUniversityofMichiganwholedthestudysaidinastatement.
"Inparticipantsolderthan65yearssmokershadsignificantlymorefinewrinklingthannonsmokers.Similarfindingswereseeninparticipantsaged45to65years"Helfrich'steamaddedintheirreport.
Theresearcherstested82peoplesmokersandnonsmokerstakingpicturesoftheinnerrightarms.Theyrangedinagefrom22to91andhalfweresmokersIndependentjudgesdecidedhowwrinkledeachperson'sskinwas.
WhenskinisexposedtosunlightnotablythefaceitbecomescoarsewrinkledanddiscoloredwithapaleyellowtintHelfrich'steamwrote.
Severalpreviousstudieshavefoundthatcigarettesmokingcontributestopremature（过早的）skinagingasmeasuredbyfacialwrinklesthestudysaidbutlittlehasbeendonetomeasuretheagingofskinnotexposedtolight.
Thereportdidnotdiscussthemechanisminvolvedbutpreviousresearchhasfoundthatcigarettesmokeamongotherthingscausesbloodvessels（血管）beneaththeskintoconstrict（紧缩）reducingbloodsupplytotheskin.
Smokingcanalsodamagetheconnectivetissuethatsupportsboththeskinandtheinternalorgans.
66.Thebesttitleforthispassagewouldbe_______.
A.Thedangerofsmoking B.Asurveyofsmokers
C.Quitsmokingforhealth D.Smokingcausesskinaging
67. howwrinkledeachperson'sskindoesn’trelateto_______.
A.thenumberofcigarettesapersonsmokes
B.thekindandcharacteristicsofskin
C.howlongapersonsmokes
D.howlongskinisundersunlight
68.Itcanbeinferredfromthestudy_______.
A.smokingwon’tmakeski