Causes of cancer
It's never too late to stop smoking, and you don't have to go it alone.
Find out more about the free support and quitting options available.
There is no safe way to use tobacco. All forms are addictive and cause cancer.
Tobacco smoke contains many chemicals that damage the DNA in your cells. And it’s not just dangerous for your lungs – tobacco damages cells around your entire body.

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What to ask your doctor about clinical trials.
Meet and chat to other cancer people affected by cancer.
Questions about cancer? Call freephone 0808 800 40 40 from 9 to 5 - Monday to Friday. Alternatively, you can email us.