We need to talk about ageing – and it’s about far more than the NHS | John Harris

By 2050, 25% of the population will be over 65 – many living in solitude. Loneliness is becoming one of our biggest problemsThe NHS crisis goes on, and its causes are clear: the government’s underfunding of the health service, and the eternally overlooked cuts to funding for adult social care provided by local councils, both of which go back to the 2010-15 coalition. Though some voices issue the usual cliched warnings about the NHS being a political football, the Conservatives &ndash