The organisers of this inner city programme to improve health and promote community cohesion believes it's 'an idea whose time has come'. Gill Hitchcock reports. Each Tuesday the Buywell food co-op commandeers a community hall on Tower Hamlet's Lansbury Estate and sells fresh fruit and vegetables to a steady stream of local customers. The volunteer-run co-op is one of 20 projects created by Well London , a programme aimed at promoting better eating, mental wellbeing and opportunities for exercise in some of the city's most deprived areas. Well London is possibly one of the capital's...