The Weekly Woo: Bite Me.

Sometimes it’s hard to spot. Sometimes it’s easy to spot. Poe’s Law is making it trickier, guys.

This week in woo, we’re going to one of our favorite woo-shit artists, Dr. Mercola. He’s a real doctor and, according to the ‘about’ section on his site, here are some pages he also endorses…, which wants to you to immunize your dog against rabies every seven years instead of five. Because it causes cancer. Because toxins. Or something.

(Wasn’t it autism last week? Bullshit is so hard to keep up with.), which thinks that fluoridated water causes… everything. Or something. And of course is terrible for your teeth., featuring Jeffrey Smith (one of my favorite nutbags), thinks gluten disorders are taking over, that autism is practically airborn (before I get sued, I’m being facetious), and is sure that GMOs are a ploy by Monsanto to… something. Insert conspiracy theorist buzzword du jour.

A friend to such characters as the Food Babe, he’s also written articles on the dangers of aspartame, the healing powers of fish oil, and mercury toxicity. It looks like articles earlier in his medical career had some more legitimacy to them, but now he’s figured out that peddling woo buys a much fancier car.

Now that we know the nature of what the man endorses, onto the blog post!

(Take a few minutes, read. Go get an ice pack and a few advil to recover from all the head-desking. You’re back? Good. Science Babe loves you and apologizes for the headache).

In the article, Mercola endorses something called “Biological Dentistry.”

I was just happy that the article referred to dental dams because I thought there would be lesbian sex. Thwarted.

Mercola is not a dentist, and neither am I. Luckily, I have my good friend Richard Pierce, DMD, on call. I emailed him the article and his reaction didn’t surprise me.

“There is so much bull shit in this, I don’t even know where to start.

  1. The entire dental amalgam debate has been disproved so many times it’s not even funny. Basic compound metal stuff. Once you combine the mercury with other metals in the compound, the toxicity is not there is any significant form. I have not used amalgam in years, mainly due to the facts that the composites have improved, the preparation is much more conservation and they put less stress on the teeth from expansion/contraction ( less of a fracture risk).

  2. The study on endodontic therapy (aka root canal) by Dr Price that he quotes was done in 1910!! That is more than a few generations of root canal materials, techniques and chemicals medicaments used in the treatment of these teeth. The of warm gutta purcha, EDTA, microscopes and resin sealers (just to name a few advances) have dramatically decreased the failures of this treatment. Of course, the fee to replace the tooth with dental implants is higher. On that subject……

  3. zirconia implants: Dr Branemark started the usage of titanium in dental implants back in the 1970’s. Zirconia has been used overseas since the early 2000’s. Zirconia can fracture and has not shown enough long term results in terms of osseointegration. If you are interested in having zirconia implants then you could easily check out the zirconia implants nyc to give you a better idea of what they are all about.

The head of biomaterials at the ADA is a great resource as they have mountains of studies that dispute these claims many times over, with researchers with far better resumes than my own. “

Thanks, Richard!

If you’re in the southern NH/northern MA area and are looking for a great dentist, look up Dr. Pierce! He took some time- unpaid- of his Saturday to share his thoughts on Mercola’s crap, and I really appreciate it. He’s been a friend of mine for years, is a huge Red Sox fan (he may have seen me yell some things at a baseball game or two…ahem) and saved one of my molars when I was 24.

I know the reaction to this article shouldn’t surprise anyone who spends a lot of time here, but there’s no reason for anyone to get tricked by the likes of Mercola. Remember the first Science Babe rule to bullshit detection? If they try to use the word ‘toxins’ to scare you?

It’s probably bullshit.

-Science Babe

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About SciBabe 79 Articles
Yvette d'Entremont, aka SciBabe, is a chemist and writer living in Los Angeles with her husband and their four pets. She bakes a mean gluten free chocolate chip cookie and likes glitter more than is considered healthy for a woman past the age of seven.


  1. There is no five-year rabies vaccine. There are only one- and three-year rabies vaccines. If a vaccine provides protection for seven years, there is no benefit to vaccinating more often than that. Vaccinating is not without risk: cats, for example, can develop injection-site fibrosarcomas. This is noted in the precautions section of the IMRAB vaccine label itself: Cats are typically vaccinated on a limb, so that if they do develop an injection-site fibrosarcoma, it can be removed by amputation. Dr. Ron Schultz and Dr. Jean Dodds are well-respected veterinarians, and the rabies challenge study is real science, not crap science.

    Also, I’m pretty sure that no one is wringing their hands over the possibility of autism in dogs, so that first sentence in parentheses is kind of silly.

    I’m not an anti-vaxxer. Being of a certain age and having seen what my sister went through when she got shingles on her face, I got my shingles vaccine not two weeks ago. I am, however, anti-*over*vaccinating because, as I said, that has no benefits and does carry the possibility of harm.

    I am trained in science myself (B.Sc., M.Sc, and Ph.D.), so I am pleased to find an anti-crap-science website. I know nothing about Dr. Mercola or his beliefs, but if he is full of it as you say, well, even a stopped clock is right twice a day. Either way, the rabies challenge study does not deserve to be in this post.

      • BSc in physics, MSc in behavioural ecology, PhD in atmosheric chemistry. I used to work for the federal Pest Management Regulatory Agency, the Canadian equivalent of the pesticide part of the EPA, doing environmental risk assessments of pesticides. I’ve also worked as a project scientist with the National Air Pollution Surveillance network at Environment Canada. I’m currently with the provincial Ministry of Natural Resources. I happen to know about the rabies challenge study because I compete in dog sports, know a lot of breeders, and have been to some of Dr. Dodds’ lectures. She’s a very intelligent practicing/research veterinarian and doesn’t peddle “woo.”

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