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Health

Rise in cancers 'caused by weight'

Friday 23/March/2018 - 11:03 AM
Sada El Balad
Being overweight or obese is a growing cause of cancer in the UK while cases caused by smoking are falling، according to a large study، according to "BBC".
Cancer Research UK found more than a third of all cases of cancer were avoidable - some 135،000.
The charity also found that excess weight now caused 6.3% of all cancer cases - up from 5.5% in 2011 - while smoking as a cause had declined.
It said more action was needed to tackle the "health threat" of obesity.
Cancer Research UK found the country with the greatest proportion of preventable causes of cancer was Scotland with 41.5%، followed by Northern Ireland on 38%، Wales on 37.8%، and England on 37.3%.
Across the UK، smoking remained by far the leading cause of preventable cancer، although it dropped from 19.4% in 2011 to 15.1%.
Second was being overweight or obese، and third was exposure to the Sun and sunbeds.Cancer Research UK found overexposure to UV radiation caused about 13،600 cases of melanoma skin cancer a year - or 3.8% of all cancer cases.
Other preventable causes of cancer included drinking alcohol and eating too little fibre، it said.
However، overall the analysis found the proportion of preventable cases of cancer had fallen - from 42.7% in 2011 to 37.7%.
The preventable causes of cancer
all preventable factors combined - 37.7% (135،507)
tobacco smoke - 15.1% (54،271)
overweight and obesity - 6.3% (22،761)
UV radiation exposure - 3.8% (13،604)
occupational exposures - 3.8% (13،558)
infections - 3.6% (13،086)
alcohol - 3.3% (11،894)
too little fibre - 3.3% (11،693)
radiation exposure - 1.9% (6،954)
processed meat - 1.5% (5،352)
air pollution - 1% (3،591)
too little physical activity - 0.5% (1،917)

Cancer Research UK said the figures showed smoking prevention strategies were working، but more work was needed to tackle the growing problem of obesity.
Prof Linda Bauld، Cancer Research UK's prevention expert، said: "Obesity is a huge health threat right now، and it will only get worse if nothing is done.
"The UK government must build on the successes of smoking prevention to reduce the number of weight-related cancers.
"Banning junk food TV adverts before the 21:00 GMT watershed is an important part of the comprehensive approach needed."
Prof Mel Greaves، a cancer biologist at the Institute of Cancer Research، in London، said the study was an "endorsement" of the idea that many cancers were potentially preventable.
But he said the idea that obesity itself or eating too little fibre "causes" cancer was "somewhat simplistic" and still needed to be explored further.
"If obesity could be avoided، the impact on cancer rates is uncertain - but they would almost certainly decline significantly،" Prof Greaves said.
"Given the currently high rates of obesity in young people، this represents (like cigarette smoking) a major societal challenge beyond the bounds of the medical arena."

Edited by Rasha Mohamed

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