It's one of the commonest foods around. The humble potato has, in the brief four centuries since it was introduced into the western world from South America, firmly occupied a prominent position is virtually every cuisine from Chinese to Indian to French. But did you know it could be poisonous enough to make you really ill? Chuck and Naren investigate and find out that the answer is a meek but positive 'yes'.

But don't give up on those fries yet. Doesn't happen very often, thank goodness. If you are overwhelmed by this piece of good news, chime in and say hello at@shenoyn and @chuck_gopal