Booze causes at least 13,000 cancers a year in the UK
Alcohol causes at least 13,000 cases of cancer a year in the UK, according to a new report published in the British Medical Journal today (Friday).
Cancer Research UK-funded researchers also show that alcohol has the biggest effect on cancers of the mouth, food-pipe, voice-box and pharynx. More than 6,000 of these cancers were caused by drinking.
Alcohol also causes more than 3,000 colorectal cancers and about 2,500 breast cancers per year.
Study leaders looked at how different levels of drinking affect the risk of cancer, and combined them with figures on how much British people drink.
The research* is part of ongoing work by the European Prospective Investigation of Cancer (EPIC) – a Cancer Research UK co-funded study and one of the largest studies into the links between diet and cancer.
Alcohol is known to increase the risk of several types of the disease including mouth, throat, bowel, liver and breast cancers. When alcohol is broken down by the body it produces a chemical which can damage DNA, increasing the chance of developing cancer.
But the cancer risk increases with every drink, so even moderate amounts of alcohol - such as a small drink each day - increases the risk of these cancers.
Naomi Allen, a Cancer Research UK epidemiologist based at Oxford University, who works on the EPIC study, said: “This research supports existing evidence that alcohol causes cancer and that the risk increases even with drinking moderate amounts.
“The results from this study reflect the impact of people’s drinking habits about ten years ago. People are drinking even more now than then and this could lead to more people developing cancer because of alcohol in the future.”
Government figures from the Office of National Statistics, published last week, showed that an increasing number of women are drinking high amounts of alcohol, well over the recommended limit for a week.
This is of concern as previous evidence shows that drinking one small drink a day regularly can significantly increase the risk of breast cancer, the most common cancer in women in the UK.
Sara Hiom, director of health information at Cancer Research UK, said: “Many people just don’t know that drinking alcohol can increase their cancer risk.
“In the last ten years, mouth cancer has become much more common and one reason for this could be because of higher levels of drinking – as this study reflects.
“Along with being a non-smoker and keeping a healthy bodyweight, cutting back on alcohol is one of the most important ways of lowering your cancer risk.
“Keeping alcohol intake to a maximum of one small drink a day for women and two small drinks per day for men can have a real impact.”
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Schütze M et al (2011). Alcohol attributable burden of incidence of cancer in eight European countries based on results from prospective cohort study BMJ, 342:(d1584) : 10.1136/bmj.d1584
Notes to Editor
The 13,000 cancers a year can be split into around 9,000 in men and 4,000 in women.
World Health Organisation and the European Code Against Cancer suggest that women should drink less than two units a day, and men should drink less than three units a day. Three units is equivalent to a premium pint of lager, bitter or cider or a large (250ml) glass of wine.
The EPIC study is funded by Cancer Research UK, the Medical Research Council and other European agencies. It is an ongoing study looking into the dietary habits of more than half a million people in Europe.
Figures from Cancer Research UK show that alcohol causes around six per cent of cancer deaths in the UK, killing over 9,000 people.