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If you smoke, giving up completely is the best thing you can do for your health.
Find a clinical trial
Search our clinical trials database for all cancer trials and studies recruiting in the UK
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Talk to other people affected by cancer
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Questions about cancer? Call freephone or email us
Tobacco smoke contains many different chemicals that damage your cells’ DNA.
You’re more likely to stop smoking successfully with support. Find out about the help available for you.
Other people’s cigarette smoke can affect your health.
Read more about what's in a cigarette
Find out more about other ways people might use tobacco - chewing tobacco, snuff and shisha.
Find out all about e-cigarettes, their safety and whether they can help you stop smoking
Find the key facts about smoking and cancer risk, based on scientific research.