World Health Organization
منظمة الصحة العالمية
Organisation mondiale de la Santé

Frequently asked questions

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Is tobacco deadly?

Every 6 seconds someone dies from tobacco.

Tobacco kills more people than HIV/AIDS, tuberculosis and malaria combined.

Tobacco is single-handedly responsible for 30% of all cancer-related deaths.

Does tobacco use affect health?

Tobacco use can damage nearly every organ of the human body.

Tobacco use causes 15 different cancers.

Tobacco and tobacco smoke contain thousands of chemicals, many of which are well known to be toxic, carcinogenic, atherogenic, teratogenic and addictive.

More than 40 chemicals in tobacco smoke have been shown to cause cancer

Are tobacco products addictive?

Cigarettes and other forms of tobacco are addictive.

Nicotine is the drug in tobacco that causes addiction.

The symptoms of tobacco dependence can develop rapidly and with minimum consumption.

Is second-hand smoke unsafe?

Some 600 000 non-smokers die every year from exposure to second-hand smoke.

Second-hand smoke exposure increases the risk of coronary heart disease by 25%–30% and the risk of lung cancer in non-smokers by 20%–30%.

There is no safe level of exposure to second-hand smoke.

Does the tobacco industry target young people?

The tobacco industry catches them young as they must hook new customers to replace those who die or quit.

Most people start smoking before the age of 18, and almost a quarter of these individuals begin using tobacco before the age of 10.

The younger children are when they first try smoking, the more likely they are to become regular tobacco users and the less likely they are to quit.

Related health topics

Burden of disease

Cancer

Cardiovascular diseases

Education, Medical

Gender

Health education

Health promotion

Legislation

Noncommunicable diseases

Public health surveillance

School health promotion

Surveillance

WHO tobacco-related pages

WHO Headquarters

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WHO Region of the Americas

WHO South-East Asia Region

WHO Western Pacific Region