Smoking is harrnful to health. Medical science has now proved that smoking cancause lung cancer and other diseases such as emphysema. Your chances of having a heartattack also increase the more you smoke. Smoking is dafinitely a health hazard. Getting rid of the smoking habit is not easy. Many inveterate smokers are never able to quit completely. Those who try to quit often experienc...[繼續(xù)閱讀]