Younger colorectal cancer patients have abnormally stiff colon tissue that promotes tumor growth, pointing to biomechanical forces as a key factor in early-onset disease.

Dr Mark Burhenne, The Sleep Dentist, warns that common dental problems could indicate an imbalance in the oral microbiome, which may be linked to bowel cancer.

Doctors have long recommended daily aspirin for years as a low-cost protection against cancers of the lower bowel.