HappinessiscontagiousresearchersreportedonThursday.

Peoplewiththemostsocialconnections—spousesfriendsneighboursandrelatives—werealsothehappiestthedatashowed.“Eachadditionalhappypersonmakesyouhappier”Christakissaid.

“ImaginethatIamconnectedtoyouandyouareconnectedtoothersandothersareconnectedtostillothers.ItisthisfabricofhumanitylikeanAmericanpatchquilt.”

Eachpersonsitsonadifferentcolouredpatch.“Imaginethatthesepatchesarehappyandunhappypatches.Yourhappinessdependsonwhatisgoingoninthepatcharoundyou”Christakissaid.

“Itisnotjusthappypeopleconnectingwithhappypeoplewhichtheydo.Aboveandbeyondthereisthiscontagiousprocessgoingon.”

Andhappinessismorecontagiousthanunhappinesstheydiscovered.

“Ifasocialcontactishappyitincreasesthelikelihoodthatyouarehappyby15percent”Fowlersaid.“Afriendofafriendorthefriendofaspouseorasibling(兄弟姐妹)iftheyarehappyincreasesyourchancesby10percent”headded.

Ahappythirddegreefriend—thefriendofafriendofafriend—increasesaperson’schancesofbeinghappyby6percent.

“Buteveryextraunhappyfriendincreasesthelikelihoodthatyou’llbeunhappyby7percent”Fowlersaid.

ThefindingisinterestinganditisusefultooFowlersaid.

“Amongotherbenefitshappinesshasbeenshowntohaveanimportanteffectonreducedmortality(死亡率)painreductionandimprovedcardiac(心脏的)function.Sobetterunderstandingofhowhappinessspreadscanhelpuslearnhowtopromoteahealthiersociety”hesaid.

Thestudyalsofitsinwithotherdatasuggestedin1984thathaving$5000extraincreasedaperson’schancesofbecominghappierbyabout2percent.

“Ahappyfriendisworthabout$20000”Christakissaid.

1.Accordingtotheresearchyourhappiness　.

A.hasnothingtodowithyourworkmatesorschoolmates

B.hassomethingtodowithanyonewhohasacloserelationshipwithyou

C.dependsonthosewhoareinfavourofyouorareagainstyou

D.haslittletodowithwhatsocialconnectionsyouhave

2.Theunderlinedword“contagious”inthefirs