
Kalmar stigma ta zo daga Helenawa ta hanyar Romawa, inda ta yi nuni ga "alamar kayan aiki, huda, alamar tattoo, ko alama." A cikin waɗannan daɗaɗɗen wayewa da haɗin kai, an wulakanta bayi da masu laifi don a bayyana “ƙazanta” ɗabi'unsu da wulakancin zamantakewa. Kamar yadda aka yi amfani da shi a cikin Ingilishi na zamani, wulakanci yawanci yana nufin alamomin wulakanci da ba a gani, batun kwanan nan da masu binciken Makarantar Johns Hopkins Bloomberg na Makarantar Kiwon Lafiyar Jama'a suka bincika.
Sabon binciken nasu ya nuna cewa kusan hudu cikin 10 sun yi nazari kan labarun labarai da ke mai da hankali kan tabin hankali suna danganta cutar tabin hankali da tashin hankali ga wasu. Duk da haka, jami'an kiwon lafiyar jama'a sun kiyasta kashi 3 zuwa 5 ne kawai na ayyukan tashin hankali za a iya danganta su ga mutanen da ke fama da tabin hankali.
"Kafofin yada labarai na ci gaba da ba da muhimmanci ga cin zarafi tsakanin mutane ba su da daidaituwa sosai da ainihin adadin tashin hankali," in ji masu binciken, wanda Dokta Beth McGinty ya jagoranta.

A cikin wani binciken da ya tantance yanayin kafofin watsa labaru a cikin shekaru 20 da ke ƙarewa a cikin 2014, McGinty da abokan aikinta sun bincika samfurin bazuwar labarai na 400 game da tabin hankali da aka buga a manyan kantuna: 11 high-circulation, high-viewership media titles a cikin Amurka.
A duk tsawon lokacin binciken, batun da aka ambata akai-akai shine tashin hankali (kashi 55 gabaɗaya) zuwa kashi 47 cikin ɗari na tashin hankali tsakanin mutane ko kisan kai, sannan kuma labarai game da kowane nau'in magani na tabin hankali (kashi 47). Kashi 14 cikin 100 na labaran labarai ne kawai suka bayyana nasarar maganin ko murmurewa daga tabin hankali.
Kashi ɗaya cikin ɗari na labaran da ke fitowa a shafin farko a cikin shekaru goma na farko na binciken sun danganta tashin hankali da tabin hankali idan aka kwatanta da kashi 18 cikin ɗari a cikin shekaru goma na biyu, McGinty da abokan aikinta sun gano. Yin nazarin wannan ɗaukar hoto sosai, ƙungiyar binciken ta gano mutanen da ke da tabin hankali sun fi dacewa a ambaci su a cikin labarun game da harbe-harbe. Adadin labaran ya karu daga kashi 9 cikin dari na dukkan labaran da aka yi nazari a cikin shekaru goma na farko zuwa kashi 22 a cikin na biyu. A halin da ake ciki kuma, alkaluman hukumar ta FBI sun nuna cewa yawan harbe-harbe da aka yi wa jama'a ya tsaya tsayin daka tsawon shekaru 20.
Daga cikin labaran da aka mayar da hankali kan cin zarafi ga wasu, kashi 38 cikin 100 sun ambata cewa cututtukan tabin hankali na iya ƙara haɗarin irin wannan tashin hankali yayin da kashi 8 cikin ɗari sun lura cewa yawancin mutanen da ke fama da tabin hankali ba su taɓa yin tashin hankali ga wasu ba, in ji McGinty da abokan aikinta. Gabaɗaya, schizophrenia ita ce ganewar asali da aka fi ambata akai-akai (kashi 17 na labarun) dangane da tashin hankali, yayin da biyun da aka fi sani da ƙarin abubuwan haɗari ga tashin hankali sune amfani da miyagun ƙwayoyi (kashi 5) da kuma abubuwan rayuwa masu damuwa (5%).
"Bincike ya nuna cewa wannan abin da aka mayar da hankali a kai na iya dagula al'amuran zamantakewa da kuma rage goyon baya ga manufofin jama'a da ke amfanar masu fama da tabin hankali," in ji McGinty da mawallafinta, wadanda suka lura da babban iyakancewar binciken su shi ne ba ya haɗa da labarun daga labaran gidan talabijin na gida..
Kididdigar gwamnati ta nuna cewa, a cikin 2014, daya daga cikin manya biyar ya fuskanci matsalar tabin hankali, yayin da daya cikin 25 ya rayu tare da mummunar tabin hankali, irin su schizophrenia, cuta na bipolar, ko babban bakin ciki. Don wulakanta masu tabin hankali zai fassara ga mutane da yawa suna sanye da alamar kunya.
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