Professor Brian Cox and our expert panel dive into the complex world of diet, nutrition and food choices. 

With new probiotic and high-protein products appearing on supermarket shelves every day and conflicting nutritional advice coming from every direction, it’s difficult to cut through the noise when it comes to what we eat. 

Our panel uses expertise from their roles as nutritionists, geneticists, gastroenterologists and policymakers to answer audience questions about food advertising, wellness advice, and whether it’s really possible – or worthwhile – to avoid food ‘additives’.  

Panellists 
Giles Yeo – Professor of Molecular Neuroendocrinology, MRC Metabolic Diseases Unit, University of Cambridge
Christina Vogel – Professor in Food Policy and Director of the Centre for Food Policy, City St George’s, University of London
Saliha Mahmood Ahmed – Gastroenterologist and MasterChef winner, 2017
Nita Forouhi – Professor of Population Health and Nutrition, MRC Epidemiology Unit, University of Cambridge 

Watch the video version of this episode and read a transcript on our website: www.crick.ac.uk/podcast/nutrition  

A BBC Studios Production for the Francis Crick Institute.   

Music by John Biddle

© BBC Studios / Francis Crick Institute 2025 

Professor Brian Cox and our expert panel dive into the complex world of diet, nutrition and food choices.&nbsp;
With new probiotic and high-protein products appearing on supermarket shelves every day and conflicting nutritional advice coming from every direction, it&rsquo;s difficult to cut through the noise when it comes to what we eat.&nbsp;
Our panel uses expertise from their roles as nutritionists, geneticists, gastroenterologists and policymakers to answer audience questions about food advertising, wellness advice, and whether it&rsquo;s really possible &ndash; or worthwhile &ndash; to avoid food &lsquo;additives&rsquo;.&nbsp;&nbsp;
Panellists&nbsp;
<ul>
<li>Giles Yeo &ndash; Professor of Molecular Neuroendocrinology, MRC Metabolic Diseases Unit, University of Cambridge</li>
<li>Christina Vogel &ndash; Professor in Food Policy and Director of the Centre for Food Policy, City St George&rsquo;s, University of London</li>
<li>Saliha Mahmood Ahmed &ndash; Gastroenterologist and MasterChef winner, 2017</li>
<li>Nita Forouhi &ndash; Professor of Population Health and Nutrition, MRC Epidemiology Unit, University of Cambridge&nbsp;</li>
</ul>
Watch the video version of this episode and read a transcript on our website: <a href="https://www.crick.ac.uk/podcast/nutrition">www.crick.ac.uk/podcast/nutrition</a>&nbsp;&nbsp;
A BBC Studios Production for the Francis Crick Institute.&nbsp;&nbsp;&nbsp;
Music by John Biddle
&copy; BBC Studios / Francis Crick Institute 2025&nbsp;

Science you can trust. Questions that matter.  

Join Professor Brian Cox and a panel of the world’s top scientists and experts as they tackle your questions about some of the biggest science challenges facing society today. 

Can we cure cancer? How do you separate nutrition fact from fiction? What do climate change and the march of AI mean for our future? Could we live forever? Each episode is recorded in front of a live audience and it’s their questions that drive the debate. 

Hear from the experts who actually know what they’re talking about, including Adam Rutherford, Helen Sharman, George Monbiot, Giles Yeo, Jeanette Winterson, Rory Cellan-Jones, Paul Nurse, Kevin Fong and You, Me and the Big C’s Lauren Mahon.  

With a focus on accuracy, openness, and debate, A Question of Science brings you the latest on what we know, what we don’t, and where science might take us next. 

A BBC Studios production for the Francis Crick Institute, an independent charity and world-leading research lab. 

Science you can trust. Questions that matter.&nbsp;&nbsp;
Join Professor Brian Cox and a panel of the world&rsquo;s top scientists and experts as they tackle your questions about some of the biggest science challenges facing society today.&nbsp;
Can we cure cancer? How do you separate nutrition fact from fiction? What do climate change and the march of AI mean for our future? Could we live forever? Each episode is recorded in front of a live audience and it&rsquo;s their questions that drive the debate.&nbsp;
Hear from the experts who actually know what they&rsquo;re talking about, including Adam Rutherford, Helen Sharman, George Monbiot, Giles Yeo, Jeanette Winterson, Rory Cellan-Jones, Paul Nurse, Kevin Fong and You, Me and the Big C&rsquo;s Lauren Mahon.&nbsp;&nbsp;
With a focus on accuracy, openness, and debate, A Question of Science brings you the latest on what we know, what we don&rsquo;t, and where science might take us next.&nbsp;
A BBC Studios production for the Francis Crick Institute, an independent charity and world-leading research lab.&nbsp;

A Question of Science

Science you can trust. Questions that matter.  

Join Professor Brian Cox and a panel of the world’s top scientists and experts as they tackle your questions about some of the biggest science challenges facing society today. 

Can we cure cancer? How do you separate nutrition fact from fiction? What do climate change and the march of AI mean for our future? Could we live forever? Each episode is recorded in front of a lively audience and it’s their questions that drive the debate. 

Hear from the experts who actually know what they’re talking about, including Adam Rutherford, Helen Sharman, George Monbiot, Giles Yeo, Jeanette Winterson, Rory Cellan-Jones, Paul Nurse, Kevin Fong and You, Me and the Big C’s Lauren Mahon.  

With a focus on accuracy, openness, and debate, A Question of Science brings you the latest on what we know, what we don’t, and where science might take us next. 

A BBC Studios production for the Francis Crick Institute, an independent charity and world-leading research lab. 

Science you can trust. Questions that matter.&nbsp;&nbsp;
Join Professor Brian Cox and a panel of the world&rsquo;s top scientists and experts as they tackle your questions about some of the biggest science challenges facing society today.&nbsp;
Can we cure cancer? How do you separate nutrition fact from fiction? What do climate change and the march of AI mean for our future? Could we live forever? Each episode is recorded in front of a lively audience and it&rsquo;s their questions that drive the debate.&nbsp;
Hear from the experts who actually know what they&rsquo;re talking about, including Adam Rutherford, Helen Sharman, George Monbiot, Giles Yeo, Jeanette Winterson, Rory Cellan-Jones, Paul Nurse, Kevin Fong and You, Me and the Big C&rsquo;s Lauren Mahon.&nbsp;&nbsp;
With a focus on accuracy, openness, and debate, A Question of Science brings you the latest on what we know, what we don&rsquo;t, and where science might take us next.&nbsp;
A BBC Studios production for the Francis Crick Institute, an independent charity and world-leading research lab.&nbsp;