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  • Q&A with Australian Health Practitioners

    Dietary queries - link between cancer and sugar and processed meats?

    Is there any solid evidence for the theory that sugar supports tumour growth? My oncologist says it is ‘rubbish’ but it seems quite a popular theory.

    I am also keen to understand the link between processed meats and cancer. What is in processed meats that is a problem, and can you tell me the specific chemicals or processes that cause the problem? My family and I would like to indulge sometimes but still avoid problematic foods, for example perhaps some sausages are ok.

    Are there any differences between the dietary causes of colon and rectal cancer? I have rectal cancer and most of the literature either doesn't distinguish or seems to focus on colon cancer.
  • Find a professional to answer your question

  • Bowel Cancer Australia is the leading community-funded charity dedicated to prevention, early diagnosis, research, quality treatment and care for everyone affected by bowel cancer. We … View Profile

    Thank you very much for your enquiry.

    Due to the detailed nature of your questions they are quite difficult to answer in an online forum.

    If you'd like to send your questions through to Bowel Cancer Australia's Nutrition Adviser we'd be very happy to get in contact with you to provide an individualised response and advice.

    You can send your questions to us using the web form available at

    In the meantime you may also be interested to read some of the information available on the Bowel Cancer Australia website including:

    • Bowel Cancer: Risk Factors - (refer to articles in RHS menu incl. Red and Processed Meats)
    • Bowel Cancer: Prevention - (incl. Diet and Nutrition)

    We look forward to receiving your questions and to offering you some tailored advice.

    Kind Regards,
    The team at Bowel Cancer Australia

    Please Note: The information provided by Bowel Cancer Australia’s Nurse and Nutritionist Advisory Services is intended for Australian residents as a reference guide only. It is not a substitute for independent professional advice and is not intended to be used to diagnose, treat, cure or prevent any disease or disorder.

    If you believe your symptoms are consistent with those of bowel cancer or a digestive illness, please consult your doctor.

    Bowel Cancer Australia, its directors, officers or medical professionals shall not be liable to any person, company or any other body for any loss, direct or indirect or consequential on whatsoever account for any omission or negligent misstatement.

  • 2


    Kirsty Woods

    Exercise Physiologist

    Hi I’m Kirsty Woods,I would like to use my experience, expertise and passion to help you reach your weight, energy and health goalsI have been … View Profile

    You may find this paper of interest

    n summary literature has found various mechanisms by which carbohydrate (glucose) can impact cancer and cell growth and have shown benefits with carbohydrate restriction. 

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