10-year study shows obesity increases risk for 12 cancers

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They also note that their finding of "increased risk of pancreatic cancer by moderate and high weight gain is novel". High weight gain (defined as an increase of 10kg or more in 6 years) was associated with a 36% increased risk of postmenopausal breast cancer, a 40% increased risk of endometrial cancer.

"However, it appears increasingly unlikely that specific foods, nutrients or other components of foods are themselves important singular factors in causing or protecting against cancer", the report says.

New guidance states that we should eat "little, if any, processed meat", and that we should limit alcohol consumption.

The report Diet, Nutrition, Physical Activity and Cancer: a Global Perspective examines a decade of research linking cancer prevention to diet and lifestyle, and is the third to address the subject.

Their analysis linked obesity or being overweight to 12 cancers, including those affecting the liver, ovary, prostate, stomach, mouth and throat, join bowel, breast, gallbladder, kidney, oesophagus, pancreas and womb.

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The World Cancer Research Fund released a new set of recommendations for cancer prevention.

Fast food eaters are also at risk for cancer.

The largest increase was seen in endometrial cancer, with obese women more than twice as likely to develop it, compared with women of normal weight.

As for booze, the organisation recommends giving up alcohol entirely, but if you do drink alcohol you should follow national guidelines and not go over 14 units (around 7 drinks) a week. The WCRF recommends reducing the intake of food high in fat, starches, and sugars. The fund advises that our unhealthy modern lifestyle - and the promotion of junk food - has to end if people are to avoid the disease.

Having a diet rich in whole grains, vegetables, fruit and beans can help prevent cancer while mothers are encouraged to breastfeed where possible to help reduce their risk of breast cancer.

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The number of new cases of cancer is expected to rise by 58% to 24 million globally by 2035 as more countries adopt "Western" lifestyles, according to the report.

They discovered that one in six deaths worldwide is due to cancer.

"Our cancer prevention recommendations work together as a blueprint to beat cancer that people can trust, because they are based on evidence that has now proved consistent for decades", commented Dr Giota Mitrou, the WCRF's director of research funding and external relations.

Caroline Cerny, the lead of the Obesity Health Alliance comprised of over 40 health charities, medical colleges and campaign groups, said carrying excess weight cannot only raise the risk of cancer, but also type 2 diabetes, heart and liver disease and mental illness. She also called on the government to act to curb junk food marketing.

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