“Smoking is bad for health”. It is a very familiar slogan that you can easy to see in all pack of cigarettes and in public places. However, there is a fact that, despite knowledge about smoking damage, the number of people who smoke is increasing day by day. Smoking causes many negative effects than people think. It affects not only health but also environment and society.
First, smoking affects health of both smoking person and people around him. There are many dangerous disease germs in tobacco, so that health of people who smoke is threatened a lot when they smoke. These chemicals have bad effect on nervous system, blood vessel and are the main reason of heart disease, cancer, memory damage. A study of WHO also shows that each day, average 5 million people die because of tobacco and this figure could rise to 10 million by 2020 if countries don’t have effective solution to restrict smoking. In addition, smoke is easy to spread in the air, therefore not only smoking people but also people around them are affected. That mean, when a person smokes, he is harming both himself and many people especially children. These people are call “passive smoking” people. Because immunize system of children doesn’t complete, they are easy to be affected by harmful factors from smoke. That’s why the threat of disease cause by smoke in children is higher than others. Some statistics in Vietnam show that about 60 -80 percent children under 5 are affected by smoke. They are also easy to get some diseases like asthma, pneumonia, bronchitis if they usually contact with smoke.