Learn how smoking, vaping, tobacco and nicotine use affect your health, why quitting matters, how to quit, the impact on teens, and what is allowed, plus answers to common questions. Smoking is dangerous to your health. It can harm nearly every organ in your body and increase your risk of certain health conditions like glaucoma, cancer, and lung disease. Perception surrounding smoking has varied over time and from one place to another: holy and sinful, sophisticated and vulgar, a panacea and deadly health hazard. By the late 20th century, smoking came to be viewed in a decidedly negative light, especially in Western countries. Learn about commercial tobacco products, their health effects, usage in the United States, and more. Find information on secondhand smoke, smokefree policies, and more. Commercial tobacco-related disparities result in higher levels of disease, disability, and death. Smoking harms nearly every organ in the body, and is a main cause of lung cancer and COPD. It also is a cause of coronary heart disease, stroke and a host of other cancers and diseases. Smoking is when you inhale smoke from burning plant material. It can cause serious heart and lung diseases, cancer and other health issues. Discover how smoking impacts your health, mood, finances, and loved ones. Learn how quitting can bring immediate and lasting benefits to every part of your life. Cigarette smoking is a major public health concern, with over 16 million Americans living with a smoking-related disease. Smoking and secondhand smoke exposure cause over 480,000 deaths in the U.S. each year. Smoking harms nearly every organ of the body and causes many diseases. There's no way around it. Smoking is bad for your health. Learn the effects of smoking (how smoking harms nearly every organ) and how to quit. Quitting smoking is not easy, but it’s worth it! WebMD offers practical tips to help you break your nicotine addiction and kick the cigarette habit for good.