what is the chemical in tobacco that causes cancer Cigarettes contain thousands of chemicals—over 7,000 have been identified—many of which are toxic, and at least 70 are known to cause cancer. 🚭 When a cigarette burns, these chemicals are inhaled deep What Causes Lung Cancer, Is

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Chapter 11: smoking and tobacco use Updated 10 September 2025 This guidance is issued jointly by the Department of Health and Social Care, the Welsh Government, the Department of Health Northern Ireland and NHS England, and with the support of the British Association for the Study of Community Dentistry

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Quitting smoking results in immediate benefits such as improved lung function and decreased carbon monoxide levels in the blood, which reduces the risk of respiratory infections and diseases such as chronic bronchitis

Second-hand smoke linked to pet deaths and illnesses, experts say Published Family pets are equally, if not more, at risk of being affected by passive smoking as humans, research suggests