As many as 1 in 3 cancers may be linked to diet, although the exact connection is not clear. High fat intake, low fibre intake, and smoked, spiced and preserved foods may be most harmful. It's especially dangerous when you expose fair skin to intense short spells of sun, and then burn, as British people still do during a brief summer holiday abroad. But even British sun is strong enough to cause serious damage. These days we are all much more aware of the links between exposure to radiation and the development of cancer, but some people are still at risk in their jobs, such as those working with x-rays.
Some viruses appear to play a central part in causing certain cancers.
Hepatitis B virus can lead to liver cancer, and Epstein Barr virus can cause lymphoma. Exposure to toxic chemicals. Some industrial chemicals have been found to have strong links to cancer, such as chemical dyes and bladder cancer, or asbestos dust and lung cancer. Also be particularly careful to avoid other risk factors. If you do smoke, giving up is probably the single most important thing you can do to avoid cancer.