Maryanne Demasi is an Australian investigative journalist and former medical scientist. She has gained recognition for her work in health journalism, particularly during her time with the Australian Broadcasting Corporation’s (ABC) “Catalyst” program.
Throughout her career, Demasi has explored various health topics, sometimes challenging established medical views, which has led to both acclaim and controversy.
For a more detailed look at her background and work, you can check out her full biography.
Maryanne Demasi Wiki & Early Life

| Full Name | Maryanne Demasi |
| Profession | Investigative Journalist, Former Medical Scientist |
| Age | Yet to be updated |
| Date of Birth | Yet to be updated |
| Nationality | Australian |
| Zodiac/Sun Sign | Yet to be updated |
| Birthplace | Yet to be updated |
| Current Address | Yet to be updated |
Maryanne Demasi Education
Maryanne Demasi’s school details are yet to be updated. She studied at the University of Adelaide, where she earned a PhD in Medicine, focusing on rheumatoid arthritis and potential therapies.
| School | Yet to be updated |
| Alma Mater | University of Adelaide |
| Highest Qualification | PhD in Medicine, focusing on the pathology of Rheumatoid arthritis and potential therapies |
Maryanne Demasi Career
Maryanne Demasi started as a medical scientist, researching rheumatoid arthritis before moving into journalism. She became well known for her investigative work at ABC’s Catalyst, where she explored controversial health topics. Today, she continues to write independently, focusing on medical and scientific issues.
Journalism
After a decade as a research scientist at the Royal Adelaide Hospital, she shifted to journalism, bringing her scientific expertise to the media.
Role at ABC’s Catalyst
At the Australian Broadcasting Corporation’s “Catalyst” program [1], she produced and presented science documentaries, gaining recognition for her investigative reporting.
Challenging Medical Norms
In 2013, she aired episodes questioning the link between cholesterol, saturated fats, and heart disease, leading to significant debate and subsequent retraction of the episodes by ABC.
Exploring Technology and Health
In 2016, she presented a segment on potential health risks associated with Wi-Fi and mobile phone usage, which faced criticism and resulted in her suspension.
Independent Investigations
After her tenure at ABC, she continued her investigative work, writing for online media and medical journals, and contributing to platforms like the Brownstone Institute. [2]
Advocacy and Public Speaking
She has been an advocate for low-carbohydrate diets and has spoken at various events, sharing her insights on health and nutrition.
Current Endeavors
She continues to write independently, focusing on medical and scientific topics, and shares her insights through platforms like Substack. [3]
Awards
Maryanne Demasi has received recognition for her work in health journalism. She has won multiple awards for her investigative reporting, including honors from the National Press Club of Australia. Here are some of the awards she has earned over the years [4]:
| Award Name | Year | Details |
| National Press Club of Australia | 2008, 2009, 2011 | Recognized for Excellence in Health Journalism |
| Association of International Broadcasting Awards | 2014 | Finalist for her Catalyst episode Toxic Sugar |
Maryanne Demasi Controversies
Maryanne Demasi has been at the center of several controversies throughout her career. Her investigative work has sparked debates in the medical and scientific communities, leading to both criticism and support. Here are some of the major controversies she has been involved in:
| Controversy | Year | Details |
| Cholesterol and Statins Reporting | 2013 | Produced a two-part series, The Heart of the Matter, questioning cholesterol and statin use. Faced criticism for misleading claims, leading to ABC retracting the episodes. |
| “Wi-Fried” Episode | 2016 | Reported on potential health risks of Wi-Fi and mobile phones. Criticized for lack of scientific balance, and ABC removed the episode and suspended her. |
| PhD Thesis Image Duplication | 2018 | Faced allegations of image duplication in her PhD thesis. The University of Adelaide investigated and found duplication but ruled it was acceptable at the time. [5] |
Maryanne Demasi Height, Weight & Physical Stats

| Height | Yet to be updated |
| Hair Color | Brown |
| Eye Color | Brown |
Maryanne Demasi X, Facebook, LinkedIn
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Interesting Facts About Maryanne Demasi
- She worked as a political advisor and speechwriter before becoming a journalist.
- Her controversial documentary on statins led to an ABC investigation and episode retraction.
- She actively writes on Substack, focusing on health and medical controversies.
- Her work challenges mainstream medical narratives, often stirring debate.
- She continues to investigate and write independently after leaving ABC.



