New findings from the World Cancer Research Fund (WCRF) indicate a concerning rise in cancers among people under 50. This trend includes an increase in colorectal (bowel) cancer, with uterine and kidney cancers also rising in England.
While cancers remain rarer in younger age groups compared to those over 50, earlier detection is thought to be one factor contributing to the observed increase. However, diagnostic improvements are not believed to be the primary reason for the rise in cases.
Evidence suggests that obesity and poor diet are causing cancers, alongside other conditions such as heart disease and type 2 diabetes. The ongoing Prospect-UK trial aims to gather detailed nutritional information from 250,000 participants to study early-onset bowel cancer.
Efforts to reduce obesity have not had the same impact as campaigns against smoking, which led to a fall in lung cancer rates in under-50s. The lack of strong action in the UK regarding obesity policy has been highlighted as a significant disappointment.