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Obesity rates

Millennials top obesity chart before reaching middle age

Millennials are the most overweight generation since current records began

More than seven in ten millennials - those born between the early 80s and mid 90s - are set to be overweight or obese between the ages of 35-44, according to estimates by Cancer Research UK. This compares to around five in ten baby boomers – those born between 1945-55 – who were overweight or obese at the same age. This means millennials are the most overweight generation since current records began.

Being overweight or obese as an adult is linked to 13 different types of cancer including breast, bowel and kidney cancer, but only 15% of people in the UK are aware of the link. Therefore, Cancer Research UK has launched a UK-wide campaign to increase awareness that obesity is a cause of cancer.

These figures were calculated by the Statistical Information Team at Cancer Research UK, February 2018. Based on Health Survey for England data. Midpoints of each generation’s birth periods were used to estimate the years in which each generation would be aged 35-44 (3-year averages used to smooth fluctuation): 1993-95 for baby boomers and 2026-28 for millennials. For baby boomers, observed overweight/obesity prevalence at age 35-44 is used. For millennials, the linear trend in overweight/obesity prevalence at age 35-44 between 1993 and 2015 was projected forward to estimate overweight/obesity prevalence in this age group in 2026-28.

“Being overweight is the UK’s biggest preventable cause of cancer after smoking, but most people don’t know about this substantial risk,” said Alison Cox, Cancer Research UK’s director of prevention. “If more people become aware of the link it may help spare not just millennials, but all generations from cancer. The government must play a part to help people make healthy food choices. We’re campaigning for a ban on junk food adverts before the 9pm watershed to protect young people from advertising tactics which all too often promote fattening foods.”

Cancer Research UK’s campaign will launch across the UK on posters, radio, social and digital media.

“Research shows that our evolving environment has a vital role to play in the obesity crisis. Clever marketing tactics by the food industry and greater access to unhealthy food are all likely to have contributed to the rise in obesity rates,” said Professor Linda Bauld, Cancer Research UK’s prevention expert. “Extra body fat doesn’t just sit there; it sends messages around the body that can cause damage to cells. This damage can build up over time and increase the risk of cancer in the same way that damage from smoking causes cancer. While these estimates sound bleak, we can stop them becoming a reality. Millennials are known for following seemingly healthy food trends, but nothing beats a balanced diet. Eating plenty of fruit, vegetables and other fibre filled foods like wholegrains, and cutting down on junk food is the best way to keep a healthy weight.”

This article was edited from a press release published by, please click here to view the press release

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