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141 episodios

Doctors' Notes: Calcium
12/05/2026 | 20 min
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 [email protected] 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 Rickarby
At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts
A Loftus Media production for BBC Radio 4.
Are we getting enough calcium?
12/05/2026 | 28 min
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 [email protected] 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 Rickarby
At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts
A Loftus Media production for BBC Radio 4
Doctors' Notes: Snoring
05/05/2026 | 28 min
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 [email protected] 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 Rickarby
At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts
Why do you snore?
05/05/2026 | 29 min
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 [email protected] 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 Rickarby
At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts
A Loftus Media production for BBC Radio 4
Doctors' Notes: Balance
28/04/2026 | 21 min
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 [email protected] 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 Rainey
At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts
A Loftus Media production for BBC Radio 4.

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Acerca de What's Up Docs?

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 headlines and pieces of advice; but how are we supposed to know what's really best for us and then successfully apply it to our lives?Drs Chris and Xand van Tulleken embrace this challenge; even as they marvel at the scientific breakthroughs, they grapple with the competing claims about health, wellbeing and how to live.From understanding testosterone therapies to microplastics in our diets, and the concept of 'hangriness' to the power of saying no - this podcast deals with the health stresses we all face every day, while taking on board how the decisions by corporations and governments affect all our health.Each episode, Chris and Xand are joined by an expert guest to examine the latest research, psychological insights, and data, to help listeners navigate the overwhelming amount of information and advice out there. They talk about the trials and tribulations in their own lives in their characteristically witty way - each teasing the other as they search for solutions. Xand has trouble sleeping , Chris has noisy knees, one of them has got an embarrassing itch. They have different ways of looking at things and find it really helpful to get the other one's point of view. These doctors are trying their best and encouraging listeners to do the same.Email: [email protected] Whatsapp: 08000 665123A Loftus Media production for BBC Radio 4.

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