Different people hold different.
Some people who have to work for a long time think that it is necessary to smoke.Besides,when people donnot have sometime to cook meals,they can chose fastfood.
As every coin has two side,the other people hold oppsite opinion.They think smoke does bad effort on our health and it results in illness or even leads to death.If we eat fast food often,we will catch a stomachache,it terrible.
As far as i am concerned:你的观点