?????? ??????? ???? ??? ??????? ?? ???? ????????? ????? ??Cigarette smoke assaults the lungs in various strategies. It is made up of Many substances, in excess of 70 of which might be known carcinogens.???? ???? ??? ???? ????? ?????? ??????????? ?? ????? ?? ???????? ???????? ??????? ?? ???? ????? ?????????. ???? ???? ????? ?????? ????????? ?? ?????