We all know that doughnuts are bad for you and too much pizza won't do any favours for your skin - but what happens when a particular type of food is so unhealthy, a government decides to veto it altogether?

Earlier this week, the French government took the unusual step of banning ketchup in primary schools. Following on from this, we investigate the most unlikely foods to be outlawed across the world. From Kinder eggs to Marmite and beyond, take a look at the products that - in some peoples' eyes - pose a clear and present danger...

Picture credits: Rex Features