Dangane da kididdiga, sama da kashi 75% na mutanen Rasha suna shan soda mai daɗi daga lokaci zuwa lokaci, kuma yawan amfani da abin sha mai guba yana gab da lita 28 a kowace shekara. Idan wani lokacin kuna samun wasu cola da abubuwan sha masu kama, yana nufin kuna fallasa kanku ga 4-methylimidazole (4-MAYU) - yuwuwar cutar kanjamau da aka kirkira yayin samar da wasu nau'ikan rinin caramel. Kuma launin karam wani abu ne na yau da kullun a cikin Coca-Cola da sauran abubuwan sha mai laushi.
Masu binciken kiwon lafiyar jama'a sun binciko illolin da ke haifar wa dan adam da ke haifar da kwayar cutar kanjamau ta wasu nau'ikan canza launi na caramel. Ana buga sakamakon binciken a cikin PLOS Daya.
Bayanin tattara hankali 4-MAYU a cikin shaye shaye daban daban guda 11 an fara buga su a cikin Mai amfani da Rahotanni a cikin 2014. Bisa ga wannan bayanan, wani sabon rukuni na masana kimiyya karkashin jagorancin wata tawagar daga Johns Hopkins Center domin a Mai rayuwa Future (Farashin CLF) tantance tasirin 4-MAYU daga launin caramel da aka samo a cikin abubuwan sha mai laushi kuma ya tsara haɗarin kamuwa da cutar kansa wanda ke haɗuwa da daidaitaccen amfani da abubuwan sha mai ƙanshi a cikin Amurka.
Ya zama cewa masu amfani da irin waɗannan abubuwan sha mai laushi suna cikin haɗarin cutar kansa ba dole ba saboda sinadarin da aka ƙara wa waɗannan abubuwan sha kawai don dalilai masu kyau. Kuma ana iya kiyaye wannan haɗarin kawai ta hanyar guje wa irin wannan soda. A cewar mawallafin binciken, wannan kamuwa da cutar na yin barazana ga lafiyar jama'a kuma ya kawo batun yiwuwar amfani da kalar caramel a cikin abubuwan sha.
A cikin 2013 da farkon 2014 Mai amfani da Rahotanni Tare da haɗin gwiwa Farashin CLF bincikar hankali 4-MAYU Samfurori masu sha 110 masu taushi waɗanda aka siya daga shagunan sayar da kayayyaki a California da New York. Sakamakon ya nuna cewa matakan 4-MAYU na iya bambanta sosai dangane da alamar abin sha, har ma a tsakanin irin wannan soda ɗin, misali, tsakanin samfuran Diet Coke.
Waɗannan sabbin bayanan sun ƙarfafa imanin cewa mutanen da ke yawan amfani da abubuwan sha mai ƙarancin gaske yana ƙara haɗarin kamuwa da cutar kansa.