Brown spelt "Vegetables and fruit may also help to protect against bowel cancer because they contain antioxidants which help to delay or prevent cell damage," said the charity. You'll also need to maintain a healthy body weight - calculate your body mass index (BMI) here. Moving on to physical activity, people who exercise regularly have a lower risk of bowel cancer. "Try to do at least 30 minutes of physical activity such as brisk walking, five times a week," advised the charity. Do you know the signs of mouth cancer? (Image: Express) READ MORE Alcohol consumption has been linked to bowel cancer and, for cancer prevention, "it's best not to drink at all".