Download PDFPDF

Implausible discussions in saturated fat ‘research’; definitive solutions won’t come from another million editorials (or a million views of one)
Compose Response

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.
Author Information
First or given name, e.g. 'Peter'.
Your last, or family, name, e.g. 'MacMoody'.
Your email address, e.g.
Your role and/or occupation, e.g. 'Orthopedic Surgeon'.
Your organization or institution (if applicable), e.g. 'Royal Free Hospital'.
Statement of Competing Interests


  • Responses are moderated before posting and publication is at the absolute discretion of BMJ, however they are not peer-reviewed
  • Once published, you will not have the right to remove or edit your response. Removal or editing of responses is at BMJ's absolute discretion
  • If patients could recognise themselves, or anyone else could recognise a patient from your description, please obtain the patient's written consent to publication and send them to the editorial office before submitting your response [Patient consent forms]
  • By submitting this response you are agreeing to our full [Response terms and requirements]

Vertical Tabs

Other responses

Jump to comment:

  • Published on:
    On editorials, access and bias at the BJSM
    • David Nunan, Senior Research Fellow Centre for Evidence-Based Medicine, University of Oxford, UK
    • Other Contributors:
      • Duane Mellor, Senior Lecturer in Human Nutrition
      • Nicola Guess, Lecturer in Nutritional Sciences & Diabetes
      • Ian Lahart, Senior Lecturer in Exercise Physiology

    In May 2018, the following tweet was posted from the BJSM twitter account:

    '115K views. via brave iconocolast @DrAseemMalhotra. Importantly, no rebuttals. Real food saturated fat does not clog arteries - beware processed food that causes hyperinsulinemia (& hypertension). #Rethink'

    Followed by signposting to a linked editorial(1)

    Several people responded, including Catherine Collins (, pointing out that a number of rebuttals to the editorial in question had in fact been made, not least a 2017 PubMed Commons/PubPeer commentary (, which form the precursor of our rebuttal here. In response to Catherine, the BJSM Editor in Chief (EIC) Karim Khan contacted the lead author here indicating he had missed his email a year previous regarding our commentary originally offered to the BJSM as a formal rebuttal [see PubPeer post]. The EIC indicated he would be happy to publish our PubPeer rebuttal in the BJSM. The lead author thanked the EIC and, with co-authors Duane Mellor, Nicola Guess, and Ian Lahart, submitted a revised version in July 2018.

    In the interest of fairness and open debate, we made a request to the EIC and BJSM editorial board that our manuscript be made o...

    Show More
    Conflict of Interest:
    Our competing interests are given in the editorial to which we are responding here.