Likitoci sun ba wa duk waɗanda ke da haƙori mai zaki ƙarin dalilin farin ciki - sun gudanar da dogon nazari kan yadda cakulan ke da kyau ga lafiya. Chocolate ya ƙunshi abubuwa masu yawa waɗanda ke da tasiri mai amfani akan lafiya. An ba da rahoton wannan a shafin yanar gizon Cibiyar Nazarin Halittu ta Ƙasar Amurka.
A cewar masana, da farko, ya ƙunshi hormones da ke da alhakin yanayi - serotonin, endorphin, da dopamine (abin da ake kira "hormone mai farin ciki").
"Chocolate na iya hulɗa tare da wasu tsarin neurotransmitter, irin su dopamine, serotonin, da endorphin (wanda aka samo a cikin koko da cakulan), wanda ke taimakawa wajen daidaita ci da inganta yanayi," in ji binciken.
A cewar masana kimiyya, danyen koko yana da matukar amfani ga zuciya. Ya ƙunshi flavanols, wani fili na shuka wanda aka yi imanin yana inganta yanayin jini a cikin zuciya, rage hawan jini da kumburi, har ma da ƙananan matakan cholesterol.
Bugu da ƙari, cakulan na iya ƙara yawan aikin kwakwalwa godiya ga maganin kafeyin da theobromine, waɗanda suke daɗaɗɗa na halitta. Haka kuma, masana suna ba da shawarar yin taka tsantsan yayin zabar cakulan - ƙarancin sukari a cikin mashaya, alal misali, a cikin ɗaci ko duhu, raguwar yiwuwar tabarbarewar lafiya sosai bayan raguwar sukarin jini.