What's Up Docs?

Epizode

• Doctors' Notes: Male Contraception 02.06.2026 17min

  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 options are still limited. From funding gaps to shifting attitudes, they unpack the social and scientific barriers that have shaped progress so far.They also look at how people feel about the idea of male contraception, whether those attitudes are changing, and what it could mean for relationships if new options become available.Along the way, they tackle common misconceptions and consider what the future of shared contraceptive responsibility might look like.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Richard Anderson Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Is a male contraceptive pill closer than you think? 02.06.2026 28min

  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 turn their attention to male contraception. We’ve been hearing about a “male pill” for decades, so why don’t we have one yet? They break down how male fertility works, what options currently exist, and the different approaches scientists are exploring, from hormonal gels to non-hormonal treatments.They also look at the challenges behind developing new contraceptives, from the biology to the strict safety standards and lack of funding that have slowed progress.To help them unpack it all, they’re joined by Professor Richard Anderson, Professor of Clinical Reproductive Science at the University of Edinburgh. If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Richard Anderson Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Lymphatic System 26.05.2026 14min

  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 the growing field of lymphoedema research and how our understanding of the lymphatic system has developed in recent years. They also explore primary lymphoedema, a condition caused by genetic errors that can affect children and young people, and ask what advances in understanding its underlying causes might mean for the development of new treatments.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Kristiana Gordon Producer: Claire Justin Executive Producer: Rami Tzabar Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Olga ReedAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Do our lymphatic systems need a detox? 26.05.2026 28min

  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 this episode, Chris and Xand explore the lymphatic system, from its vital everyday functions supporting fluid balance and immunity to its more mysterious roles. They look at what happens when things go wrong, examine popular wellness claims around draining and detoxing our lymphatic system, and find out what actually supports good lymphatic health.Joining them to discuss this is Professor Kristiana Gordon, a Consultant in Dermatology and Lymphovascular Medicine. She’s Clinical Lead at the National Lymphoedema Clinic at City St George's, University of London, and is also a certified lymphoedema therapist.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Kristiana Gordon Producer: Claire Justin Executive Producer: Rami Tzabar Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Olga ReedAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Hay fever 19.05.2026 21min

  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 whether hay fever is really becoming more common, and if so, why. From climate change and air pollution to changes in our environment and biodiversity, they unpack the factors that may be making symptoms worse. They also look at how hay fever varies around the world, including why treatments like allergy injections are more widely used in some countries than others. Along the way, they tackle common myths and share practical advice for managing hay fever more effectively.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Producer: Jo Rowntree Executive Producer: Rami Tzabar Editor: Kirsten Lass Assistant Producer: Maia Miller-Lewis Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Why do we get hay fever? 19.05.2026 28min

  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 turn their attention to hay fever. What is it, why do so many of us get it, and is it getting worse? They break down what’s happening in the body, how to tell it apart from a cold, and why timing matters when it comes to treatment. They also explore what actually works to manage symptoms, and what doesn’t.To help them get to the root of it, they’re joined by Stephen Till, Professor of Allergy at Guy's and St Thomas' Hospitals and King's College London.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Calcium 12.05.2026 20min

  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, especially osteoporosis. They want to learn how osteoporosis relates to calcium, who is at risk and why it is more common in women. They also want to know what inspired Sagen’s passion for calcium and what we can learn from astronauts about bone health.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Dr Sagen Zac-Varghese Producer: Maia Miller Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Mili Ostojic Tech Lead: Reuben Huxtable Video Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Are we getting enough calcium? 12.05.2026 28min

  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.In this episode, Chris and Xand dive into calcium. What is calcium, and what does it do in the body? How important is it for our health? How do we maintain healthy levels of calcium? They also examine how calcium interacts with vitamin D, whether we need calcium and vitamin D supplements, how calcium plays a part in bone health and how we can strengthen our bones. Joining them to discuss this is Dr Sagen Zac-Varghese, a consultant in Diabetes, Endocrinology and General Internal Medicine, specialising in diabetic kidney disease and metabolic bone disease. She is also the Undergraduate Tutor at the East and North Herts NHS Trust and an Honorary Lecturer and Senior Clinical Teaching Fellow at Imperial College London and at UCL medical school.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Dr Sagen Zac-Varghese Producer: Maia Miller Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Mili Ostojic Tech Lead: Reuben Huxtable Video Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian Roberts A Loftus Media production for BBC Radio 4
• Doctors' Notes: Snoring 05.05.2026 28min

  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 look at what happens when snoring means we’re not breathing enough, or stop breathing altogether, a condition known as obstructive sleep apnoea/hypopnoea syndrome (OSAHS). They ask why it happens and what can be done to treat it.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Dr Sophie West Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian Roberts
• Why do you snore? 05.05.2026 29min

  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 this episode they're looking at snoring, exploring what causes some of us to snore when we sleep. They also want to know when we should worry that our snoring might actually be the sign of a larger problem, and what we can do to sleep a little more quietly at night.Joining them is Dr Sophie West, a consultant respiratory physician and lead of Newcastle regional sleep service, with national roles across the OSA Alliance, British Thoracic Society, and NICE Sleep Disordered Breathing Guidelines group.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Dr Sophie West Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian Roberts A Loftus Media production for BBC Radio 4
• Doctors' Notes: Balance 28.04.2026 21min

  Chris and Xand continue their conversation with physiotherapist and vestibular rehabilitation specialist, Maggie Stacey. They explore why alcohol can make us unsteady, how our sense of balance develops and changes as we age, and why falls pose such a major health risk for older adults. They also hear from their guest about the balance problems she most often sees in the clinic, and the warning signs that it might be time to seek medical advice.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Maggie Stacey Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Visuals Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Should you improve your balance? 28.04.2026 28min

  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 turn their attention to balance. Where does it come from, why is it so important for our health, and do some people naturally have better balance than others? They also explore how much we can improve it, and what we should be doing to maintain it.To help them find their balance, they’re joined by physiotherapist and vestibular rehabilitation specialist, Maggie Stacey. Falls can have serious consequences for our health and wellbeing, especially as we get older. If you've fallen or are worried about falling, doing exercises to improve your strength, balance and flexibility can help make you stronger and feel more confident on your feet. The current UK fall prevention guidelines advise that adults over the age of 65 should: - be physically active every day, even if it's just light activity - do activities that improve strength, balance and flexibility on at least 2 days a week - do at least 150 minutes of moderate intensity activity a week or 75 minutes of vigorous intensity activity if you are already active, or a combination of both - reduce time spent sitting or lying down and break up long periods of not moving with some activity If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Maggie Stacey Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Visuals Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Voice 21.04.2026 25min

  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 our own voice and whether it’s really possible to change it. They explore how adjusting the way we speak can shape how others respond to us, hear from Lydia about the most common issues she sees in the clinic and find out why voice work often turns out to be about far more than just sound.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Lydia Hart Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• How do we care for our voices? 21.04.2026 28min

  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 turn their attention to the voice. Where does it come from, why do we all sound so different, and how much can we really change it? They also explore what we should be doing to take care of our voices.To help them strike the right note, they’re joined by voice specialist and speech and language therapist, Lydia Hart.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Lydia Hart Producer: Maia Miller-Lewis Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Feet 14.04.2026 32min

  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 Musculoskeletal Medicine. Together, they examine common foot problems, from bunions to verrucas, and explore why diseases affecting our blood vessels or nerves seem to often show up in the feet. They ask what this reveals about how we understand our feet and how we should care for them.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Anthony Redmond Producer: Faye Lyons-White Executive Producer: Jo Rowntree Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• How can you look after your feet? 14.04.2026 28min

  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 this episode, they turn their attention to our feet. They explore the biology and mechanics of our feet and what happens when that delicate balance goes wrong. They also look at footwear and the little changes that can go a long way in giving our feet the love and care they truly deserve.Joining them is Anthony Redmond, Professor of Clinical Biomechanics at the Leeds Institute of Rheumatic and Musculoskeletal Medicine. A podiatrist by training, Professor Redmond researches the relationship between mechanics and biology in musculoskeletal conditions, with a focus on the foot and ankle.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Anthony Redmond Producer: Faye Lyons-White Executive Producer: Jo Rowntree Editor: Researcher: Samara Linton Tech Lead: Reuben Huxtable Visual Producer: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Ruth RaineyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Cholesterol 07.04.2026 31min

  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 Nita Forouhi, Professor of Population Health and Nutrition at the University of Cambridge, to discuss why foods like seed oils become controversial, when cholesterol-lowering drugs such as statins make sense, and how her thinking on cholesterol has evolved over her career.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Nita Forouhi Producer: Faye Lyons-White Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Olga ReedAt the BBC:Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• How should we think about cholesterol? 07.04.2026 29min

  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 this episode, they take on one of nutrition’s most misunderstood topics: fat. What is it, and why does our body need it? At what point does something normal and essential become something we worry about? What do cholesterol blood tests actually measure, and how well do they predict disease?Chris and Xand also explore the relationship between diet and cholesterol, asking how much influence what we eat really has, whether certain fats deserve their bad reputation, and what gets lost when we focus on single nutrients instead of overall dietary patterns.They’re joined by Nita Forouhi, Professor of Population Health and Nutrition at the University of Cambridge, to help separate evidence from hype and offer a clearer way to think about fat, cholesterol, and healthy eating.If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Nita Forouhi Producer: Faye Lyons-White Executive Producer: Rami Tzabar Editor: Jo Rowntree Researcher: Grace Revill Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Olga Reed At the BBC:Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4
• Doctors' Notes: Light 31.03.2026 19min

  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 Disorder.The doctors want to know how low light affects those with Seasonal Affective Disorder (SAD), how the disorder is viewed and what research is being done to help treat those with it, including that being conducted by Professor Parr.If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Hester Parr Producer: Claire Justin Visual Producer: Leon Gower Executive Producer: Jo Rowntree Editor: Claire Justin Tech Lead: Reuben Huxtable Social Media: Leon Gower Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4.
• Why do we feel happier when the sun’s out? 31.03.2026 28min

  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.In this episode, Chris and Xand will shine a light on…light. They discuss why the sun can help lift our mood, and its effects on our sleep and general wellbeing. Joining them to discuss this is Professor Hester Parr, a professor of Human Geography with an interest in sunlight's effect on mental health and runs the research group Living with Seasonal Affective Disorder. If you want to get in touch, you can email us at whatsupdocs@bbc.co.uk or WhatsApp us on 08000 665 123.Presenters: Drs Chris and Xand van Tulleken Guest: Professor Hester Parr Producer: Claire Justin Video Producer: Leon Gower Executive Producer: Rami Tzabar Editor: Jo Rowntree Tech Lead: Reuben Huxtable Digital Lead: Richard Berry Composer: Phoebe McFarlane Sound Design: Melvin RickarbyAt the BBC: Assistant Commissioner: Greg Smith Commissioning Editor: Rhian RobertsA Loftus Media production for BBC Radio 4