The lungs exclusively

Tobacco and tobacco smoke contain many substances that are known to cause cancers, called carcinogens. Some carcinogens are natural parts of the tobacco plant itself, while some are formed when tobacco is burned.

The smoke that comes from tobacco is especially bad for Erik’s health as it has more than 70 known carcinogens. He’s aware that tobacco, in any form, is dangerous for his health. But smoking cigarettes, which is the most common way people use tobacco in Europe, is the worst. This is because a large number of toxic substances are created while a cigarette burns, including many that we know for certain cause cancer.

The evidence from scientific studies consistently confirms that smoking can lead to cancer in: