Britain is facing an ageing time bomb with major challenges presented by retirement, the desire to live longer and the iBUPA的主任医师安德鲁·瓦伦斯－欧文说：'老龄化'就像一颗定时炸弹，英国正面临着退休、渴望长寿以及不断加剧的养老负担带来的各种挑战。