Bowel cancer is on the rise in the UK: Rates in the under-50s jump by 2% in a decade ‘amid spiralling obesity crisis’ as experts call for screening age to be lowered
- People living in England are routinely screened for bowel cancer at 55 or 60
- The checks are thought to caused rates of the disease to fall in older people
- Bowel cancer is thought to be rising in younger people because of obesity
Bowel cancer is on the rise among the under-50s in the UK, leading to calls to drastically lower the screening age.
Colon cancer cases among the group have risen almost two per cent in a decade, with the biggest rise coming in the those aged 20 to 39.
People are routinely screened for bowel cancer at 55 or 60 in England, with these checks thought to have sent rates of the disease falling in older people.
Public Health England has committed to screening which begins at 50, but international experts are now calling for this to be lowered yet further.
Bowel cancer is thought to be rising in younger people because of obesity, drinking and poor diets high in red and processed meat, while antibiotics given in childhood may also be a factor.
Bowel cancer rates in Britain among 20-39-year-olds have been steadily increasing since 1997 – but they’ve spiked since 2009, new figures show
Bowel cancer rates among Britons aged 40-49 have been gradually increasing for the past two decades
The new statistics come from two separate studies published in the Lancet Gastroenterology and Hepatology journal and the British Medical Journal.
The Lancet’s study, led by the International Agency for Research on Cancer, in France, found British rates of colon cancer rose 1.8 per cent among under-50s in the decade to 2014.
Over-50s, who are more likely to be screened, saw their rates rise by only 0.3 to 0.4 per cent.
The BMJ researchers, led by Erasmus Medical Centre in the Netherlands, reported a rise in bowel cancer of 10.3 per cent a year between 2009 and 2016 for people aged 20 to 39.
Andrew Beggs, a consultant colorectal surgeon and Cancer Research UK advanced clinician scientist at the University of Birmingham, said: ‘I think this provides some evidence that we need to lower the age for screening.
‘In an ideal world we would start screening everyone at the age of 35 or 40, because I am now seeing a lot of people who are being diagnosed with bowel cancer in their late thirties.
‘Going down to 45 needs to be the starting point, although we must be aware that younger people may not carry out screening.
WHAT IS THE NHS’ BOWEL CANCER SCREENING PROGRAMME?
Bowel cancer screening is offered to those aged 60 to 74 in England, Wales and Northern Ireland – but not anyone younger.
The main screening method is the faecal occult blood test (FOBT), which looks for hidden blood in stools. It is posted to people in the age range every two years — they then post a sample back.
Bowel cancer is the UK’s second biggest cancer killer – around 16,000 people die from it each year.
If caught early, at stage one, patients have a 97 per cent survival rate for at least five years, but discovered later, at stage four, this falls to just 5 per cent for men and 10 per cent for women.
Former Tory health secretary Lord Andrew Lansley launched a screening programme, called bowelscope, to detect signs of cancer for 55 year olds eight years ago. It was due to be rolled out nationally in 2016 – but fell foul of financial cuts.
Bowel cancer screening starts at 50 in Scotland. The decision to start 10 years later in the rest of the UK has been the subject of controversy.
BBC news presenter George Alagiah previously said his bowel cancer could have been caught earlier if the screening programme in England was the same as in Scotland.
He was first diagnosed four years ago, at the age of 58; last Christmas he was told that the cancer had returned and it’s now stage four.
‘We are seeing more and more young people with bowel cancer, when we hardly used to see any, which may be due to obesity and poor diet but may also be influenced by greater awareness.’
When young people are diagnosed with bowel cancer, it is more likely to have advanced and spread by the time of diagnosis, which lowers their chances of survival.
But there is a dearth of reported figures on young patients, prompting two sets of researchers to analyse national figures for various countries including the UK.
The Lancet study found colon and rectal cancer rose by 1.8 and 1.4 per cent respectively in the decade to 2014 among under-50s.
In those aged 50 to 74, rectal cancer fell by 1.2 per cent and colon cancer rose by only 0.3 per cent. In over-75s, rectal cancer fell further by 1.7 per cent, while colon cancer rose by 0.4 per cent.
The study suggests screening could be a factor in falling rates of bowel cancers among younger people, noting that the American Cancer Society has adopted guidelines calling for cancer screening from the age of 45.
It says obesity, a lack of fibre, red and processed meat could raise people’s risk of bowel cancer, with children given antibiotics seeing changes in their gut bugs linked to inflammatory bowel diseases which can lead to bowel cancer.
The authors of the BMJ study say rates of bowel cancer among people aged 40 to 49 rose by three per cent a year between 2007 and 2016.
Bowel cancer is the fourth most common cancer in the UK, with almost 42,000 people diagnosed every year. It is responsible for 16,000 deaths, around 44 a day.
Deborah Alsina, chief executive of Bowel Cancer UK, said: ‘In 2018, both England and Wales committed to lower the bowel cancer screening age to 50, in line with Scotland. It’s crucial that Northern Ireland also reassess their screening age.
‘Screening is the best way to diagnose bowel cancer early when it is treatable and curable.’
The bowel cancer screening programme was one of a three cancer treatment schemes slammed as ‘unfit for purpose’ last week by an influential panel of MPs.
Currently only around 60 per cent (2.6million people) of those eligible are screened every year.
WHAT IS BOWEL CANCER?
Bowel cancer is a general term for cancer that begins in the large bowel.
Depending on where the cancer starts, bowel cancer is sometimes called colon or rectal cancer.
Bowel cancer is one of the most common types of cancer diagnosed in the UK.
Most people diagnosed with it are over the age of 60.
The main symptoms of bowel cancer are:
- Blood in your stool or rectal bleeding
Never feeling like you have emptied your bowels
Change in bowel habits that persists for more than a month
If you have one or more of the symptoms and they persist for more than four weeks, see your GP.
It’s not known exactly what causes bowel cancer, but there are a number of things that can increase your risk.
Age – almost 9 in 10 cases of bowel cancer occur in people aged 60 or over.
Diet – a diet high in red or processed meats and low in fibre can increase your risk.
Weight – bowel cancer is more common in people who are overweight or obese.
Exercise – being inactive increases your risk of getting bowel cancer.
Alcohol – drinking to excess.
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