Claire Mulrenan, specialist registrar in public health, and Mark Petticrew, professor of public health evaluation, both working at the London School of Hygiene and Tropical medicine were surprised to see high-fat, high-salt fast food brands being featured heavily on the website of one of the UK's most beloved children's comics.

In this podcast, they describe why they think that is harmful, and why the Beano should think again about its editorial policies, to protect children's health.

To read the full investigation:
www.bmj.com/content/380/bmj.p197