According to the query of public health network:

1, smoking addiction degree is different. People who smoke 1 cigarette every day are less addicted. People who smoke 10 cigarettes a day are very dependent on cigarettes. They want to smoke after drinking and driving.

2, the degree of harm to the body is different. People who smoke/kloc-0 cigarettes a day do less harm to their health. People who smoke 10 cigarettes a day do great harm to the body, increase the risk of pulmonary nodules and lung cancer, and stimulate the nerves.