Anewstudysuggeststhatthemoreteenagerswatchtelevisionthemorelikelytheyaretodevelopdepressionasyoungadults.Theresearchersusedanationallong-termsurveyofhealthyyoungteenagersofabout13-16tofindouttherelations

　　Anewstudysuggeststhatthemoreteenagerswatchtelevisionthemorelikelytheyaretodevelopdepressionasyoungadults.

　　Theresearchersusedanationallong-termsurveyofhealthyyoungteenagersofabout13-16tofindouttherelationshipbetweenmediauseanddepression.Theybasedtheirfindingsonmorethan4000youngteenagerswhowerenotdepressedwhenthesurveybeganin1995.

　　Aspartofthesurveytheyoungpeoplewereaskedhowmanyhoursoftelevisionorvideostheywatcheddaily.Theywerealsoaskedhowoftentheyplayedcomputergamesandlistenedtotheradio.

　　Herewastheresult.Theyoungpeoplespentfiveandahalfhoursadayusingmediaandmorethan2hoursofthatwasspentwatchingTV.

　　Sevenyearslaterin2001morethan7%oftheyoungpeoplehadsignsofdepression.Theaverageageatthattimewas21.BrianPrimackattheUniversityofPittsburghmedicalschoolwastheleadauthorofthenewstudy.Hesayseveryextrahouroftelevisionmeantan8%increaseinthechancesofdevelopingsignsofdepression.

　　Theresearcherssaytheydidnotfindanysuchrelationshipwiththeuseofothermediasuchasmoviesvideogamesorradio.Butthestudydidfindthatyoungmenweremorelikelythanyoungwomentodevelopdepressiongiventhesameamountofmediause.

　　DoctorPrimacksaysthestudydidnotfindoutifwatchingTVcausesdepressiondirectly.Butonepossibilityhesaysisthatitmaytaketimeawayfromactivitiesthatcouldhelppreventdepressionlikesportsandsocialactivities.Itmightalsopreventapersonfromsleepingwellhesaysandthatcouldhaveaninfluence.

　　ThestudywasjustpublishedintheArchivesofGeneralPsychiatry.

　　InDecemberthejournalSocialIndicatorsResearchpublishedastudyofactivitiesthathelpleadtohappylives.ResearchersfromtheUniversityofMarylandfoundthatpeoplewhodescribethemselvesashappyspendlesstimewatchingtelevisionthanunhappypeople.Thestudyfoundthathappypeoplearemorelikelytobesociallyactivetoreadattendsocialservicesandtovote.

　　1.Whowasinchargeofthenewstudyofdepression?

　　A.Maryland B.Pittsburgh C.BrianPrimack D.GeneralPsychiatry

　　2.Whatdoestheword“depression”mean?It’sakindof_____.