Chris and Xand are doctors, scientists and identical twins. Well, not quite identical. Xand is 20kg heavier, clinically obese, and has a... more
Marion Nestle explains how UPF is not just a public health issue, it's an environmental disaster. She considers / recommends... more
Xand continues the experiment and speaks to Dr Nicole Avena, food addiction neurologist, about how our brains are affected by... more
Xand starts an experiment, eating an 80% UPF diet whilst continuing to learn about it. He speaks to obesity expert,... more
Chris and Xand have an emotional conversation about why this project is important and hard for both of them. They... more
Chris and Xand meet Professor of Chemistry Andrea Sella to try to understand some of the more complex ingredients in... more
Chris and Xand have the same genes but the largest weight difference of any twin pair studied in the UK.... more
Welcome to 'A Thorough Examination with Drs Chris and Xand'. The first series is "Addicted to Food", it's specifically about... more
Marion Nestle explains how UPF is not just a public health issue, it's an environmental disaster. She considers / recommends what needs... more