精选优质文档-倾情为你奉上Should smoking be banned in public places?YESPeople who smoke are more likely to develop diseases such as lung cancer and liver cirrhosis. Cirrhosis is mostly caused by smoking and reduces and even poisons the liver, unable for the organ to perform its function. For example, a healthy lung is pinkish in color and helps the person breathe in oxygen and exhale carbon dioxide. But a smokers lung is very dark and is covered with tartar. A smokers lung is unable to function