Pete Evans
Pete Evans

OPINIONScienceApril 3, 2017

Siouxsie Wiles to Paleo Pete: I’ll take medical qualifications over your ‘common sense’ any day

Pete Evans
Pete Evans

Every time celebrity chef Pete Evans talks about his ‘wellness’ beliefs, scientists and doctors line up to counter them with peer-reviewed research and established facts. That’s because Evans’ ‘common sense’ sounds a lot like utter nonsense, writes Dr Siouxsie Wiles.

This article was published in April 2017.

“What do you need a qualification for to talk common sense?” That was the response of Australian celebrity chef Pete ‘Paleo’ Evans during a recent TV interview about the health advice he gives out. The common sense he’s referring to in this instance is his belief that we should all be abandoning our modern agricultural diets because they are out of sync with our biology and making us chronically ill.

Instead Evans believes we should be eating what our Paleolithic ancestors did over 10,000 years ago – lots of meat, some fruit and vegetables, but definitely no grains, legumes and dairy. This is touted as the key to a healthier and longer life. The fact that the ‘paleo’ diet has no basis in archaeological reality and that our Paleolithic ancestors lived short lives seems to be irrelevant. In 2013 anthropologist Dr Christina Warinner, a specialist in evolutionary medicine, gave an excellent TEDx talk debunking the paleo diet:

Evans hit the headlines in 2015 when it was revealed he was co-authoring a paleo recipe book for new mums, babies and toddlers. The book includes a recipe for a “DIY baby milk formula” also known as ‘bone broth’, which paediatricians slammed for containing dangerous levels of Vitamin A with the potential to kill babies. Hardly talking “common sense”. Honestly, I’d take the advice of a bunch of qualified doctors who study babies over Evans and his co-authors, voice-over actress and ‘wellness’ blogger Charlotte Carr and naturopath Helen Padarin.

Just to be clear, a naturopath is someone who practises a form of pseudoscientific, alternative medicine that believes in the body’s ability to ‘self-heal’ given the right ‘natural’ treatments. You don’t need to take my word that this is dangerous bullshit – former naturopath Britt Marie Hermes is now a vocal opponent of the practice she trained in. After all the bad press, the publisher, Pan Macmillan Australia, said they wouldn’t be publishing the book in print form, so Evans, Carr and Padarin published the book online instead.

Pete Evans

Evans doesn’t limit himself to just talking about the paleo diet though. He also tackles water fluoridation (he’s anti, in case you were wondering, calling it a neurotoxin) and sunscreens (which he also thinks are full of toxins). And Evans reaches a large audience. He has over 1 and a half million followers in Facebook. Of course, he’s not the only celebrity who offers “common sense” medical advice. Another celebrity with over a million Facebook followers is actress and ‘wellness’ blogger Gwyneth Paltrow. She’s raved about the benefits of vaginal steaming (sitting over a pot of steamy herb-filled water to “cleanse your uterus” and “balance female hormone levels”) and sleeping with a jade egg the size of a golf ball stuffed inside your vagina (to “increase vaginal muscle tone, hormonal balance, and feminine energy in general”). In case you are wondering, both these activities will do nothing for your hormones but are excellent ways to get a really horrible and potentially life-threatening infection.  

And of course, who can forget all the celebrities who know more about the safety of vaccines than the many people who’ve actually studied them? People like Jim Carrey and Jenny McCarthy seem to think there is a worldwide conspiracy to poison children. In fact, vaccines are the one thing that do play a huge role in helping us live long and healthier lives by preventing infectious diseases, many of which can have very serious consequences.

I agree with Evans that you don’t need a qualification to talk common sense. If only Evans and his fellow celebrity ‘wellness’ gurus would actually talk it, instead of the potentially harmful bullshit they spout.

Keep going!
tyhphoidmary

ScienceApril 2, 2017

A typhoid outbreak is hitting Auckland. Where did it come from and what can we do?

tyhphoidmary

At least 10 people in NZ’s biggest city have reportedly been hospitalised with typhoid, and health officials say we can expect more cases. Siouxsie Wiles explains what typhoid is and the ‘super-shedder’ scenario

Typhoid is an infection caused by the bacterium Salmonella enterica subspecies enterica serovar Typhi, usually abbreviated to Salmonella Typhi or S. Typhi. Humans are this bacteria’s only known host. The bacteria can be passed from person to person through the faecal-oral route. That’s why it’s so important for everyone to wash their hands properly after they’ve been to the toilet, or changed any nappies. Typhoid can also be caught be eating contaminated food or drinking contaminated water. The symptoms of disease are a high fever which can last for weeks, as well as nausea, tiredness, headaches, and loss of appetite. Some people might have diarrhoea, constipation, or a rash.

While the symptoms might not sound much different from other types of food poisoning, typhoid can be very serious. If not treated, between one to three in 10 infected people can die. The good news is that the majority of infected people can be treated with antibiotics.

Salmonella typhosus, cause of typhoid fever. Image: Kat Masback (kat m research)

In New Zealand, most people with typhoid have caught the infection overseas – we get 20 to 30 cases a year. The disease is widespread in Southeast Asia, the Western Pacific, Africa and Central and South America. There are a couple of vaccines available, which is why people going on holiday are usually advised to get vaccinated.

The reason this outbreak is news is because we only ever usually see one or two cases at a time. This outbreak involves at least 10 people from different parts of Auckland. Public health officials will be working very hard to try to find a link between the cases so they can work out how the disease is spreading. So what might the options be?

Contaminated imported food or drink

In 2010, an outbreak of typhoid in the US was traced back to the importation of a ready-to-eat frozen fruit drink imported from Guatemala, an area where typhoid is prevalent. There were no more cases once authorities recalled the frozen drink. The same manufacturer was implicated in another outbreak in Florida in 1998. It would surprise me if something like this was the source of our outbreak as New Zealand has strict rules around the importation of fruit and vegetables.

Typhoid ‘super-shedders’

People with typhoid are infectious before they show any symptoms and while they have symptoms. Some people can also carry on shedding the bacteria for months after they have recovered. And a small number of people become chronic carriers of S. Typhi, spreading the bacteria while showing no signs of infection. Ever heard of Typhoid Mary? She was a cook in New York in the early 1900s who ended up living out her days in quarantine after spreading S. Typhi to many of the families she worked for.

Since Typhoid Mary, there have been plenty of documented cases of S. Typhi shedders working in restaurants who have managed to contaminate the food they are preparing and make diners ill. Has someone in Auckland with a job involving food preparation recently returned from a trip overseas with S. Typhi?

But what a difference a century makes. Now typhoid is treatable with antibiotics. If this outbreak does turn out to be caused by our own S. Typhi ‘super-shedder’ at least they won’t have to be imprisoned on an offshore island for the rest of their life.

Siouxsie Wiles’s new book for BWB, Antibiotic Resistance: The End of Modern Medicine?, is published on April 10

This post originally appeared at Sciblogs.


The Spinoff’s science content is made possible thanks to the support of The MacDiarmid Institute for Advanced Materials and Nanotechnology, a national institute devoted to scientific research.