23:32The Food ChainFood and NostalgiaBBC World Service Duration: 27 minutes Sun 27th Mar 2016, 23:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowThe power food has to evoke memory and how memory impacts the food we eat. Show more GenresFactualFood & DrinkFormatsMagazines & ReviewsBrandThe Food Chain Source: BBC Online