When it comes to our diet, we seem to be constantly bombarded with evolving nutritional advice, from new fads and trends to ultra-processed foods and superfoods. How do we cut through the noise and know who or what to believe?

Professor Christopher Gardner of St Stanford University has been researching nutrition for over 30 years and has written a new book ‘Food Sense’ which he says gives “straightforward, science-backed advice on what to eat and why”.

He’s here with us today, Professor Gardner, you’re very welcome.