english: Nicotine and other chemicals  from the cigarette simultaneously cause constriction  of blood vessels and damage their delicate  endothelial lining, restricting blood flow.
non_english: Nikotin i druge hemikalije iz cigareta istovremeno uzrokuju sužavanje krvnih sudova i oštećuju njihov delikatni endotelni sloj u zidu, a to ograničava protok krvi.