Ko da wane irin karnuka ne, amincin su da bayyanar aiki koyaushe na iya kawo masoyan dabbobi da ƙauna da farin ciki. Amincinsu ba ya da shakka, abokan hulɗarsu koyaushe ana maraba da su, suna kiyaye mu har ma suna yi mana aiki idan an buƙata.

A cewar wani binciken kimiyya na 2017, wanda ya yi nazari kan ’yan Sweden miliyan 3.4 daga 2001 zuwa 2012, da alama abokanmu masu ƙafafu huɗu sun rage haɗarin cututtukan zuciya da jijiyoyin jini tsakanin masu dabbobi daga 2001 zuwa 2012.

Binciken ya kammala da cewa, raguwar kamuwa da cututtukan zuciya da jijiyoyin jini a tsakanin masu dabbobin farauta ba wai saboda yawan motsa jiki ba ne kawai, amma mai yiyuwa ne saboda karnuka suna kara cudanya da masu su, ko kuma ta hanyar canza kwayoyin microbiome na kwayoyin cuta a hanjin masu su. Karnuka na iya canza datti a cikin gida, don haka fallasa mutane ga ƙwayoyin cuta da ba za su ci karo da su ba.

Waɗannan tasirin kuma an bayyana su musamman ga waɗanda suka rayu su kaɗai. A cewar Mwenya Mubanga na jami’ar Uppsala kuma shugaban marubucin binciken, “Idan aka kwatanta da masu kare guda ɗaya, wasu sun sami raguwar haɗarin mutuwa da kashi 33 cikin ɗari sannan kuma kashi 11 cikin 100 na haɗarin kama zuciya.

Duk da haka, kafin zuciyarka ta yi tsalle, Tove Fall, babban marubucin binciken, ya kara da cewa akwai iyakoki. Mai yiyuwa ne bambance-bambancen da ke tsakanin masu shi da wadanda ba su da shi, wanda ya riga ya wanzu kafin a sayi kare, zai iya yin tasiri ga sakamakon - ko kuma mutanen da suka fi kowa aiki suma suna son samun kare.

Da alama sakamakon bai fito karara ba kamar yadda aka bayyana a farko, amma kamar yadda na damu, hakan ba komai. Masu mallakar dabbobi suna son karnuka don yadda suke sa masu su ji kuma, amfanin zuciya da jijiyoyin jini ko a'a, koyaushe za su kasance babban kare ga masu shi.