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A Thorough Examination with Drs Chris and Xand
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A Thorough Examination with Drs Chris and Xand

Author: Loftus Media / Van Tulleken Brothers Ltd

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Chris and Xand are doctors, scientists and identical twins. Well, not quite identical. Xand is 20kg heavier, clinically obese, and has a Covid induced heart condition. 


The reason Xand is overweight is the same reason that most of us in the UK are overweight: Ultra Processed Food or UPF.  


It’s the main thing that we now eat (and feed to our children), but most of us have never heard of it. It’s addictive, highly profitable and the main cause of the global obesity pandemic. It’s destroying our bodies, our brains and the environment. 


Chris wants Xand to quit so he has a plan: to send him on a journey to meet the world’s leading experts on food, weight, taste and addiction whilst encouraging a final UPF binge in a bid to see if he can learn to hate it. 


Simple right? Well it turns out to be way stranger and more emotional than either of them ever imagined...



An episode will drop each Tuesday from July 6, 2021 for 6 weeks.





See acast.com/privacy for privacy and opt-out information.

7 Episodes
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Marion Nestle explains how UPF is not just a public health issue, it's an environmental disaster. She considers / recommends what needs to be done to combat the rocketing levels of obesity whilst ensuring sustainable healthy food production. Xand finishes the experiment...is he still addicted to UPF?Warning: This episode contains strong language. See acast.com/privacy for privacy and opt-out information.
Xand continues the experiment and speaks to Dr Nicole Avena, food addiction neurologist, about how our brains are affected by UPF in relation to other addictive behaviour. Both Chris and Xand also speak to sensory expert, Professor Barry Smith from The University of London about how all of our senses are targeted by companies when we consume their UPF products. See acast.com/privacy for privacy and opt-out information.
Xand starts an experiment, eating an 80% UPF diet whilst continuing to learn about it. He speaks to obesity expert, Dr Janine Makaronidis from University College London about the food’s direct effect on his body, what it will do to his appetite, hormones and weight. He also interviews Dr Kevin Hall from the National Institute of Health in the US about his ground-breaking research into the consumption of UPF - Kevin was the first to prove that UPF causes weight gain. See acast.com/privacy for privacy and opt-out information.
Chris and Xand have an emotional conversation about why this project is important and hard for both of them. They speak separately to Alasdair Cant, a behaviour change expert, about how we decide to become different people. Alasdair also speaks to Chris about how he, like many family members, may be holding Xand back.Warning: This episode contains strong language. See acast.com/privacy for privacy and opt-out information.
UPF is not food

UPF is not food

2021-07-1231:304

Chris and Xand meet Professor of Chemistry Andrea Sella to try to understand some of the more complex ingredients in Ultra Processed Food aka UPF and the lies they tell us about when we are full and satisfied.Dr Fernanda Rauber was on the team who "discovered" UPF, and explains why it exists and that perhaps we are thinking about it in the wrong way. It's not food - it's an industrial formulation of chemicals.Warning: This episode contains strong language. See acast.com/privacy for privacy and opt-out information.
Chris and Xand have the same genes but the largest weight difference of any twin pair studied in the UK. What happened? They speak to friend and geneticist Dr Giles Yeo to begin to understand the origins of Xand's (and everyone else's) size. How much is destiny, how much might we be able to control?(Many thanks to Little Gem TV for the use of a clip from the 2020 documentary, 'Surviving the Virus: My Brother, Covid and Me'). See acast.com/privacy for privacy and opt-out information.
Welcome to 'A Thorough Examination with Drs Chris and Xand'. The first series is "Addicted to Food", it's specifically about the growing global addiction to ultra processed food aka UPF. Chris thinks UPF is driving Xand’s (and everyone else's) weight problem. So he proposes a simple experiment - that Xand goes on a final week long UPF binge whilst interviewing the world's leading experts on addiction, food, nutrition and weight. It's the nutritional equivalent of smoking 100 cigarettes whilst going on a quit smoking course. Simple right? Well it turns out to be far stranger and more emotional than either of them ever imagined...An See acast.com/privacy for privacy and opt-out information.
Comments (4)

Geoff Powell

Very enlightening and scary podcast. Great work. Only bad thing is the ads part way through the podcast telling me to get down to the fast food outlets and the local shopping centre.

Oct 21st
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Susy Gaisford

Scary isn't it. What about the babies born to parents whose diet is primarily upf? Malnutrition in utero. I'd like to think there's a possibility of effective public health policy in this country but I don't think this government will go anywhere near it. You medical professionals need to speak in some influential ears.

Aug 31st
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Isobel Bain

Great podcast. I was feeling rather smug at the start as have just gone plant based to see how it makes me feel. I went to an organic deli this morning and treated myself to some vegan goodies including vegan chocolate, which was very expensive. Having read the label it's ecpensive organic vegan UPF.

Aug 30th
Reply

stef hensel

thanks so much for this podcast, super super interesting and making me really examine the foods in my kitchen. looking forward to the next episode already

Jul 14th
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