!Caution smoking cause heart diseases or heart diseases cause smoking~

Re: !Caution smoking cause heart diseases or heart diseases cause smoking~

ya i know k buri gathering say bhi lagti hai but main sirf unn logon ki baat kar raha hon jo be charay gham k maaray peetay hain i,ve seen many ppl k jo kabhi smoking se nafrat kartay thay but certainly they start smoking just cuz of heart disease so so so so so wot do say guys.masla yeh hai k 70% boys aaisa he kartay hain dil tootnay k baad yani smoking so aakhir smoking he kion ?