All posts by Lynn Shaffer

Founder and currently Executive Editor of Science-Based Medicine Steven Novella, MD is an academic clinical neurologist at the Yale University School of Medicine. He is also the host and producer of the popular weekly science podcast, The Skeptics’ Guide to the Universe, and the author of the NeuroLogicaBlog, a daily blog that covers news and issues in neuroscience, but also general science, scientific skepticism, philosophy of science, critical thinking, and the intersection of science with the media and society. Dr. Novella also has produced two courses with The Great Courses, and published a book on critical thinking - also called The Skeptics Guide to the Universe.

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  • Founder and currently Executive Editor of Science-Based Medicine Steven Novella, MD is an academic clinical neurologist at the Yale University School of Medicine. He is also the host and producer of the popular weekly science podcast, The Skeptics’ Guide to the Universe, and the author of the NeuroLogicaBlog, a daily blog that covers news and issues in neuroscience, but also general science, scientific skepticism, philosophy of science, critical thinking, and the intersection of science with the media and society. Dr. Novella also has produced two courses with The Great Courses, and published a book on critical thinking - also called The Skeptics Guide to the Universe.

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A woman with brown hair tied back wears large, dark sunglasses and a dark coat. She is walking outside, with a blurred urban background. Another person is partially visible beside her.

Apple Cider Vinegar

I just watched the new Netflix series, Apple Cider Vinegar, which tells the story of Belle Gibson, an Australian woman who launched a wellness business based largely on the false claim that she had survived “terminal brain cancer”. It is worth a watch, and overall I feel the writers (this is a fictionalized version, not a documentary) captured the industry of fake...

/ February 19, 2025

BBC Takes On Appeal to Nature Fallacy

It’s always good (and frustratingly rare) to see the mainstream media get it right when it comes to pseudoscience in medicine. Too often the narrative is – scientists are baffled at this alternative “one easy trick” to improve your health. Most mainstream articles on pseudoscience in medicine frame their reporting around a positive anecdote, and at best throw in some token skepticism...

/ February 12, 2025
Three people are in a room. One is seated, holding a pen and an object. Another sits nearby, partially visible. A standing woman holds a card with "2" on it. Text on the image reads "(C) THE TELEPATHY TAPES.

The Telepathy Tapes – More FC Pseudoscience

Documentaries can be powerful. They can use the mature art-form of cinema in order to convey a specific narrative. The viewer can get drawn into that narrative, unaware they are being exposed to a very one-sided or limited take on a complex topic. I recently, for example, participated in a fun review of the Earthing Movie which was basically propaganda for the...

/ February 5, 2025
A doctor in a modern medical office reviews electronic health records on a desktop computer. The room features medical equipment, an anatomical chart, and a digital tablet on the desk. The atmosphere is professional and clinical.

Can AI Reduce Doctor Burnout?

I lived and worked through the transition in medicine from completely paper-based documentation to completely digital-based – using an electronic medical record (EMR). There is no question, the EMR system is much better. Access to information, communication, ordering tests, tracking results, and documenting visits are all much easier with an EMR. But modern doctors and other health care providers are not exactly...

/ January 29, 2025
Close-up of assorted red gummy candies with various textures and shapes, resembling berries and fruit.

Why Did the FDA Ban Red Dye #3

The FDA recently removed FD&C Red No. 3 from the list of approved food additives. This was not based on any new data or interpretation of the data, but rather was a response to a petition from food safety and environmental groups. Their argument was in turn based on the Delaney Clause, a 1960 law saying that the FDA must ban any...

/ January 22, 2025
A stylized illustration of a virus particle with three overlapping circular halos, each colored differently: red, green, and white. The background is a solid dark blue.

COVID Is Still Here, But Changing

My hospital just reinstituted mask mandates for all staff working with patients. They also advise patients to wear masks while in the hospital, but have not made it a requirement. I still have a stash of N95 masks so it was easy, and all too familiar, for me to comply, but I admit it created an unpleasant flash-back. All things considered, I...

/ January 15, 2025
Line graph showing views on alcohol consumption's health impact from 2002 to 2024. The percentage who think it's bad increases sharply to 45% in 2024, while those thinking it's good or makes no difference decrease steadily to 8% and 43%, respectively.

Surgeon General Alcohol Warning

In 1964 the US Surgeon General released its first report on the health risks of smoking and tobacco use. This turned out to be a landmark move, paving the way for the following decades of progressively more restrictive regulation of public tobacco use and marketing. In 1964 smoking was at its peak in the US, when 42% of Americans smoked. Today the...

/ January 8, 2025

RFK Jr On Obesity

We have been giving a lot of attention to RFK Jr recently, with good reason. He is poised to be put in charge of the federal institutions that regulate health and medicine. This is beyond problematic, as he has a long list of antiscience opinions. Part of the problem is that he lacks topic expertise (he is not a health care professional...

/ December 18, 2024
A group of five elderly people, three women and two men, walk on a path in a park. Two women are using Nordic walking poles. The group is smiling and wearing casual, sporty clothing. Trees and greenery surround the path.

Health Benefits of the Weekend Warrior

I tend to view skeptically science reporting that leans heavily on simplistic concepts and flashy titles. However, “skeptical” does not mean “dismissive”. Mainstream reporting may focus on click-bait terms but that does not necessarily mean anything about the underlying science. I have seen lots of recent headlines about the benefits of being a “weekend warrior” and decided to look at the primary...

/ December 11, 2024
A man in a suit stands in front of two American flags, removing a face mask. He is looking to the side with a serious expression. The background shows a building with large windows.

Questions About Pandemic Preparedness

The theme at SBM this week is questions for Trump’s nominees for key health positions within the federal government. David got the ball rolling with an excellent summary of the nominees and questions for each. Jonathan followed up with his own list of questions. I would like to continue the theme, focusing on our preparedness for the next pandemic. It is arguably...

/ December 4, 2024