很多年轻男性都爱吃炸鸡、汉堡、披萨，他们觉得自己青春正盛，吃点垃圾食品能很快代谢掉。然而，研究发现，在垃圾食品面前年轻也不是资本，20岁前大吃垃圾食品会对生殖能力造成不可逆转的永久性损伤。
Teenagemalesfollowingajunkfooddietarecausingirreversibledamagetotheirsperm,astudyhasfound.
Eatingfoodssuchaspizza,sugarydrinks,chipsandburgerscanresultinsignificantlylowspermcountscomparedtofollowingahealthierdiet.
Theresearch,ledbyHarvardUniversity,lookedatnearly3,000menwhohadacompulsorymedicalexambeforeenteringtheDanisharmyfornationalservice.
哈佛大学领头的这项研究调查了近3000名在丹麦服兵役前参加强制体检的男性。
Theaverageageamongthosetestedwas19.
接受体检的男性平均年龄为19岁。
ResearchersfromtheUSandDenmarkfoundthosemenfollowingaso-called‘Westerndiet’ofthesehigh-fatandprocessedfoodshadthelowestaveragespermcount.
Onaverage,theyhad25.6millionfewerspermperejaculationcomparedtothoseeatingthehealthiestdiets.
平均而言，这些男性每次射精数量比饮食最健康的男性少2560万。
Whilepreviousstudieshavefocusedonoldermentryingtoconceive,thisresearchshowssomemenhave“clinicallylow”spermcountsdespitebeingattheirpeakreproductiveage.
What’smore,meneatingjunkfooddietswerefoundtohavediminishedlevelsofSertolicells–atypeofcellcontainedinthetesticleswhichisassociatedwithproducinghealthysperm.
Eatingajunkfooddietcausesoxidativedamagetothesecells,itwasfound,andthiscannotbereversedinlaterlife.
研究发现，吃垃圾食品会对这些细胞造成氧化损伤，而且这些损伤无法在以后逆转。
TheresearchwillbepresentedattheEuropeanSocietyforHumanReproductionandEmbryology(ESHRE)annualconferenceinVienna.
这项研究将在维也纳举行的欧洲人类生殖与胚胎学学会的年会上展示。
Spermcountshavedeclined59.3%amongWesternmenfrom1973to2011,accordingtoastudybyHebrewUniversity.
Whiletheprevailingreasonforthisdropinspermcountsisunclear,researchershavesuggesteditisdowntoamixtureofchemicalandpesticideexposuretomodernlifestyles.
prevailing[pri'vel]:adj.流行的；一般的，最普通的
MenfromSwitzerlandareamongthosewiththelowestspermcountsinEurope,accordingtonewfindings.
Danish,NorwegianandGermanmenwerealsofoundtohaveparticularlylowspermcounts.
AccordingtotheHarvardUniversitystudy,eatinga“prudent”diethighinfish,chicken,fruitandvegetableswasassociatedwiththehealthiesttotalspermcounts.
Atraditionalvegetariandiet–richinvegetables,soyamilkandeggs–wasthenextbestalternativeforboostingspermcounts.
Otherwaystoboostspermcountincludewearingloose-fittingboxershortsandmaintainingahealthyweight,accordingtoscience.
英文来源：雅虎
翻译编辑：丹妮