Well I think knowing full well the harmful and side effects of smoking cigarettes is enough for any individual to stop smoking. Unless if the person does not value their life.
As you rightly pointed out, Smoking cigarettes is harmful to human body and thus, one should abstain from smoking cigarettes and other related Smokes. Cigarettes is very parlors and dangerous, most especially to young people. smoking of cigarettes can make let you develope headache and can change the colour of your eyes.
Smoking cigarettes can has effect on the vital organs in the human body and cause serious health issues that can abstain you from having a fulfilling and healthy life, this is because smoking of cigarettes causes slot of destructions to human body. Ranges from kidney failure, asthma, diabetic, eye disease , lungs among others.
As already been told by the cigarettes makers that smokers are liable to die young, Thus, it will be good and will also the the world a favour if every individuals can abstrain from smoking cigarettes or it counterparts.
However, There are multiple harmful effects of smoking cigarettes that are are glaring to our naked eye in which any rightful thinking human can see as a case study.