MAIN IMAGE Credit@BillGracey

By James Wolman | Published May 6, 2015 | Full size is 1280 × 793 pixels

Scientists have discovered a key mechanism of human ageing by studying Werner syndrome. Might they even be able to reverse it? Credit@BillGracey

Scientists have discovered a key mechanism of human ageing by studying Werner syndrome. Might they even be able to reverse it? Credit@BillGracey