What are the effects of cigarette smoking?

Effects of smoking: Irritability: Nicotine users can experience increased irritability when going through nicotine withdrawal Sleep disturbances. A person going through nicotine withdrawal can experience unpleasant sleep disturbances. Increased appetite
Another common withdrawal symptom of nicotine is an increased appetite. This causes many people, especially women, to resume smoking. Smoking related diseases, such as chronic lung disease and coronary heart disease, result in the deaths of over 400,000 Americans every year. Smoking during pregnancy has been linked to an array of neonatal and infant health issues.

Following are the effects of smoking:

* respiratory and non-respiratory problems
* lower level of lung function
* reduced rate of lung growth
* greater risk of heart disease, stroke, and lung cancer
* lower physical fitness