Wani sabon binciken da Harvard masu bincike ya ce sha 2-3 kofuna na kofi a kowace rana zai iya rage hadarin kunar bakin wake da 50 kashi.
Wani sabon binciken da Harvard masu bincike ya ce sha 2-3 kofuna na kofi a kowace rana zai iya rage hadarin kunar bakin wake da 50 kashi.