A cewar masana kimiyya, yawan amfani da wani shahararren abin sha, kofi, sau da yawa yana da tasiri mai ma'ana a kan kwakwalwar ɗan adam a cikin dogon lokaci. Yin amfani da kofi akai-akai yana hade da raguwar ƙarar kwakwalwa a nan gaba da kuma ƙara haɗarin lalata.
Masu binciken sun yi nazarin bayanan bayanan daga mahalarta 17,702 masu shekaru 37-73. Sun gano cewa wadanda suka sha fiye da kofuna shida na kofi a rana suna da kashi 53% na haɗarin cutar hauka. A lokaci guda, yawan shan kofi yana da alaƙa da raguwar ƙarar kwakwalwa da kuma haɗarin bugun jini.
Magana. Dementia cuta ce mai lalacewa ta kwakwalwa wacce ke shafar ƙwaƙwalwar ajiya, tunani, ɗabi'a, da ikon yin ayyukan yau da kullun. Kimanin mutane miliyan 50 ne aka gano suna da cutar hauka a duk duniya. Misali, a Ostiraliya, cutar hauka ita ce ta biyu a yawan mace-mace, inda ake samun kusan mutane 250 a kowace rana.