In this BBC Radio 4 podcast, Drs Chris and Xand van Tulleken are on a mission to help us take better care of ourselves.Although they are identical twins, Chris and Xand are very different and they never stop thinking and arguing about science and health. They want to lead healthy, happy lives and as doctors, they want this for everyone. Yet they tussle over how best to get there.When it comes to looking after our own health, it can be confusing. Medicine and science produce amazing new treatments and diagnostics every day and we are bombarded with so many...
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Sep 29, 2026 · 27:45
Drs Chris and Xand continue their conversation about neurodiversity with Professor Duncan Astle. The doctors want to know what evolution could say about neurodivergence, how the…
Sep 29, 2026 · 28:14
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. What…
Sep 22, 2026 · 24:15
Chris and Xand continue their conversation about ankle health with Genevieve Tawiah. The doctors want to know how different sports and performance arts can impact your ankles,…
Sep 22, 2026 · 28:34
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Sep 18, 2026 · 31:00
Today we’re sharing an episode from our sister podcast, Complex with Kimberley Wilson. In the episode, Kimberley asks CBT therapist Joshua Munn about the symptoms of ADHD and how…
Sep 15, 2026 · 30:49
Chris and Xand van Tulleken take a deeper dive into type 2 diabetes and the bigger factors shaping one of the world's most common health conditions. Joined by Dr Tamara Hibbert,…
Sep 15, 2026 · 29:01
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Sep 8, 2026 · 28:08
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Sep 1, 2026 · 21:04
Doctors Chris and Xand van Tulleken are back with a bonus episode, continuing their conversation on routines with Bas Verplanken, Professor Emeritus of Social Psychology at the…
Sep 1, 2026 · 28:37
Welcome to What's Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Aug 25, 2026 · 18:54
Chris and Xand van Tulleken continue their conversation about walking with Professor Steve Haake. Recording in Sheffield's Botanical Gardens, they discuss how why creating…
Aug 25, 2026 · 28:59
Welcome to What's Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode,…
Aug 18, 2026 · 33:33
Drs Chris and Xand van Tulleken continue their conversation about crying with counselling psychologist Kimberley Wilson. They look at why people have different thresholds for…
Aug 18, 2026 · 28:35
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Aug 11, 2026 · 19:37
Drs Chris and Xand van Tulleken continue their conversation about relaxation with philosopher and author Julian Baggani. They look at the history of relaxation, the activities we…
Aug 11, 2026 · 28:55
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Aug 4, 2026 · 22:02
Drs Chris and Xand van Tulleken continue their conversation about hydration with Dr John Whittle, a consultant in anaesthesia, critical care and perioperative medicine at…
Aug 4, 2026 · 28:41
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode they’re…
Jul 28, 2026 · 27:07
Chris and Xand van Tulleken continue their conversation with Professor Sunita Sah about why humans follow advice they suspect, or even know, is bad. They explore what first drew…
Jul 28, 2026 · 29:14
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Jul 21, 2026 · 20:56
Chris and Xand continue their conversation about eyes with Mr Raj Das-Bhaumik. The doctors want to know what particular things we should be doing to look after our eyes in the…
Jul 21, 2026 · 29:12
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Jul 14, 2026 · 20:02
Chris and Xand continue their conversation about AI medicine with Dr Emma Karoune. The docs explore how AI has been used in cutting edge medical research, such as to create…
Jul 14, 2026 · 28:50
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. Can AI…
Jul 7, 2026 · 58:54
In this extended episode of What's Up Docs?, Chris and Xand van Tulleken continue their conversation with Professor Robin Condliffe. Together, they explore how our understanding…
Jul 7, 2026 · 28:11
Welcome to What's Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode,…
Jun 30, 2026 · 21:02
Chris and Xand van Tulleken take a deeper dive into heart palpitations and the rise of wearable technology. With devices like smartwatches now able to detect irregular heart…
Jun 30, 2026 · 28:32
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Jun 23, 2026 · 30:59
Chris and Xand continue their conversation about body odour with Matthew Cobb, Professor Emeritus of Zoology at the University of Manchester. They explore whether it’s possible…
Jun 23, 2026 · 28:46
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
Jun 16, 2026 · 48:42
This extended episode of What's Up Docs? features Chris and Xand van Tulleken's full live conversation with Professor Devi Sridhar at Hay Festival. Going deeper than the main…
Jun 16, 2026 · 28:12
Welcome to What's Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode,…
Jun 9, 2026 · 22:57
Chris and Xand van Tulleken continue their conversation about friendship with Dr Tiffany Watt Smith, writer and culture historian. Tiffany became interested in researching…
Jun 9, 2026 · 28:51
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Jun 2, 2026 · 17:45
Chris and Xand van Tulleken take a deeper dive into male contraception with Professor Richard Anderson. They explore why, despite decades of research, new male contraceptive…
Jun 2, 2026 · 28:46
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
May 26, 2026 · 14:39
Chris and Xand continue their conversation about the lymphatic system with Professor Kristiana Gordon, a Consultant in Dermatology and Lymphovascular Medicine. The docs ask about…
May 26, 2026 · 28:41
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
May 19, 2026 · 21:11
In this Doctors' Notes episode of What’s Up Docs?, Chris and Xand van Tulleken take a deeper dive into hay fever with Professor Stephen Till. The docs and their guest explore…
May 19, 2026 · 28:57
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the ideas shaping our health and wellbeing. In this episode, they…
May 12, 2026 · 20:05
Chris and Xand continue their conversation about calcium with Dr Sagen Zac-Varghese. The docs want to know about common issues that are seen around calcium and bone health,…
May 12, 2026 · 28:30
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
May 5, 2026 · 28:22
Chris and Xand continue their conversation about snoring with Dr Sophie West, a consultant respiratory physician and lead of Newcastle regional sleep service. They take a deeper…
May 5, 2026 · 29:20
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Apr 28, 2026 · 21:48
Chris and Xand continue their conversation with physiotherapist and vestibular rehabilitation specialist, Maggie Stacey. They explore why alcohol can make us unsteady, how our…
Apr 28, 2026 · 28:39
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken tune in to the ideas shaping our health and wellbeing. In this episode, they…
Apr 21, 2026 · 25:47
Chris and Xand continue their conversation about the complexities of the voice with speech and language therapist, Lydia Hart. They ask why so many of us cringe at the sound of…
Apr 21, 2026 · 28:28
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken tune in to the ideas shaping our health and wellbeing. In this episode, they…
Apr 14, 2026 · 32:58
Drs Chris and Xand continue their conversation about feet with Professor Anthony Redmond, an expert in clinical biomechanics at the Leeds Institute of Rheumatic and…
Apr 14, 2026 · 28:18
Welcome to What’s Up Docs?, the podcast where identical twin doctors Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing. In…
Apr 7, 2026 · 31:19
Chris and Xand take a closer look at cholesterol - what it is, why it worries so many people, and how diet and medicine fit into the picture. They’re joined again by Professor…
Apr 7, 2026 · 29:23
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken untangle the confusion around every aspect of our health and wellbeing. In…
Mar 31, 2026 · 19:06
Chris and Xand continue their conversation about the sun's effect on our happiness with Professor Hester Parr, human geography and research lead of Living with Seasonal Affective…
Mar 31, 2026 · 28:42
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Mar 24, 2026 · 32:46
Chris and Xand continue their conversation about how the built environment affects our health, with architect Lisa Finlay from Heatherwick Studio. They ask when wellbeing first…
Mar 24, 2026 · 29:42
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken explore the building blocks of our health and wellbeing. In this episode,…
Mar 17, 2026 · 24:59
Chris and Xand continue their conversation about hips with Dr Paulina Kloskowska, physiotherapist, academic, and researcher. The doctors discuss hip replacements, how they can…
Mar 17, 2026 · 29:08
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Mar 10, 2026 · 19:43
Chris and Xand continue their conversation about toothache with Praveen Sharma, Associate Professor & Honorary Consultant in Restorative Dentistry at the University of…
Mar 10, 2026 · 28:40
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken get to the root of what shapes our health and wellbeing. In this episode,…
Mar 3, 2026 · 32:12
Chris and Xand continue their conversation about endometriosis with Kate Haynes, Chartered Human Physiotherapist and Veterinary Physiotherapist. The doctors want to know how to…
Mar 3, 2026 · 28:27
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Feb 24, 2026 · 15:57
Chris and Xand continue their conversation about endometriosis with Dr Chi Eziefula, Associate Professor in Global Health and Infection at Brighton and Sussex Medical School. The…
Feb 24, 2026 · 29:14
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Feb 17, 2026 · 26:46
Chris and Xand continue their conversation about immune health with Prof Dan Davis, Head of Life Sciences and Professor of Immunology at Imperial College London. The doctors want…
Feb 17, 2026 · 29:00
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Feb 10, 2026 · 20:22
Chris and Xand dig deeper into the evolution of kissing. They ask what first drew our guest into this unusual area of research, why evidence that humans and Neanderthals kissed…
Feb 10, 2026 · 28:30
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken try to get to the bottom of the ideas shaping our health and wellbeing. In…
Feb 3, 2026 · 24:04
Drs Chris and Xand continue their conversation about focus with Duncan Astle, Professor of Neuroinformatics at the Department of Psychiatry at Cambridge University. Chris and…
Feb 3, 2026 · 28:38
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Jan 30, 2026 · 3:42
In this Daily Dose, Chris and Xand return to their episode on laughter with Professor Sophie Scott CBE, a leading expert in the neuroscience of laughter, from University College…
Jan 29, 2026 · 3:16
In this Daily Dose, Chris and Xand return to their episode on core strength with physiotherapist James Moore. James highlighted why exercising our core can help us live long and…
Jan 28, 2026 · 4:10
In this Daily Dose, Chris and Xand return to their episode on fibre with Dr Deirdre Tobias. Deirdre outlined why fibre is important for our diets and where we should be getting…
Jan 27, 2026 · 25:50
Drs Chris and Xand continue their conversation about food with Professor of Psychology Ashley Gearhardt. Drawing on her clinical experience, they explore what it means to live…
Jan 27, 2026 · 28:52
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Jan 26, 2026 · 4:38
In this Daily Dose, Drs Chris and Xand return to their episode on fresh breath with Dr Praveen Sharma. Praveen walked the docs through the best way to take care of our teeth and…
Jan 23, 2026 · 3:54
In this Daily Dose, Chris and Xand return to their episode on the power of saying no, with Dr Sunita Sah from Cornell University. Sunita had a fantastic point on how saying no is…
Jan 22, 2026 · 5:11
In this Daily Dose, Chris and Xand return to their episode on backs with Dr Mindy Cairns, Specialist Musculoskeletal Physiotherapist and Associate Professor at the University of…
Jan 21, 2026 · 4:55
In this Daily Dose, Chris and Xand are return to their episode on protein with Nita Forouhi, Professor of Population Health and Nutrition at the University of Cambridge. Nita had…
Jan 20, 2026 · 21:04
Chris and Xand continue their conversation about exercise with Dr Jo Blodgett, Senior Research Fellow at the Institute of Sport, Exercise and Health at University College in…
Jan 20, 2026 · 28:53
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Jan 19, 2026 · 4:03
In this Daily Dose, Chris and Xand return to their episode on nails with Dr Yusur Al-Nuaimi, Consultant Dermatologist at the Royal Devon and Exeter Hospital and Clinical Lead for…
Jan 16, 2026 · 5:37
In this Daily Dose, Chris and Xand are returning to their episode on sleep with Professor of Circadian Neuroscience, Russell Foster. As a sleep expert, Russell explained why we…
Jan 15, 2026 · 3:50
In this Daily Dose, Chris and Xand return to their episode on hanger with Professor of Social Psychology, Viren Swami who explains what hanger is and how best we should deal with…
Jan 14, 2026 · 5:58
In this Daily Dose, Chris and Xand return to their first episode of What’s Up Docs?, on willpower with Kimberley Wilson. Chartered Psychologist Kimberley reminded us that…
Jan 13, 2026 · 23:34
Chris and Xand continue their conversation about alcohol with Dr May van Schalkwyk, Research Fellow at the University of Edinburgh, who focuses on how commercial actors influence…
Jan 13, 2026 · 28:55
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken cut through the confusion around every aspect of our health and wellbeing.…
Jan 12, 2026 · 5:31
In this Daily Dose, Chris and Xand return to their episode on nature with Professor Baroness Kathy Willis. Kathy had some excellent advice on how to bring more nature into our…
Jan 9, 2026 · 3:42
In this Daily Dose, Chris and Xand return to their episode on embarrassment with cultural historian, Dr Tiffany Watt-Smith. Tiffany identified that, while embarrassment is…
Jan 8, 2026 · 2:55
In this Daily Dose, Drs Chris and Xand van Tulleken are returning to their episode on knees with rheumatology professor, Phil Conaghan from University of Leeds. Phil gave Chris…
Jan 7, 2026 · 4:48
In this Daily Dose, Chris and Xand return to their episode on menstrual health with Dr Chi Eziefula, who flipped our perspective on the menstrual cycle, reframing it as a…
Jan 6, 2026 · 26:38
In this new year episode, Chris and Xand continue their conversation with behaviour change expert Alasdair Cant, taking a closer look at the psychology behind our attempts to…
Jan 6, 2026 · 28:16
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken untangle the confusion around every aspect of our health and wellbeing. In…
Jan 5, 2026 · 5:11
In this Daily Dose, Chris and Xand return to their episode on difficult conversations. Chartered Psychologist Kimberley Wilson has some great advice on how best to approach a…
Jan 2, 2026 · 3:26
January is a time when we pay considerable attention to our health and wellbeing and we all want a little reminder of some tips and tricks for how best to care for and think…
Jan 1, 2026 · 3:35
January is a month when we pay considerable attention to our health and wellbeing and we all want a little reminder of some tips and tricks for how best to care for and think…
Dec 31, 2025 · 2:27
Welcome to Chris and Xand's Daily Doses! January is a month when we pay considerable attention to our health and wellbeing and we all want a little reminder of some tips and…
Dec 30, 2025 · 22:56
Chris and Xand continue their conversation with Professor Sophie Scott, CBE. Together, they explore the neuroscience behind joy: what happens in the brain when joy strikes, how…
Dec 30, 2025 · 28:24
Welcome to What’s Up Docs?, the podcast where doctors and identical twins Chris and Xand van Tulleken try to get to the bottom of the ideas shaping our health and wellbeing. In…
Dec 23, 2025 · 30:23
Chris and Xand continue their conversation about comfort with Dr Tiffany Watt Smith, writer and cultural historian interested in the histories of emotion and medicine, former…
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