Norwich Institute of Healthy Ageing explores how changing our behaviours, such as adopting a Mediterranean diet, we can all live longer, healthier and more satisfying lives - Credit: Getty Images Our life span is increasing – but what about our health span? Launched on November 26, the Norwich Institute of Healthy Ageing (NIHA) is a new research group bringing together scientists, policy makers and the local community to explore how we can live longer, healthier and more satisfying lives. Professor Anne-Marie Minihane, director of Norwich Institute of Healthy Ageing - Credit: UEA/Henry Iddon As a society we are living longer: the average life expectancy in the UK is increasing at a rate of two to three years every decade. Yet our healthy life expectancy – the projected number of remaining years in good health – is not increasing at the same rate.