The findings of the longest running longitudinal study of ageing in Aotearoa has just been released as a book.
The study, followed the same groups of people aged between 55 and 90 over 18 years.
The book is called Ageing in Aotearoa: The New Zealand Health, Work and Retirement Study.
Author and co-leader of Massey University's Health and Ageing Research Team, Christine Stephen talks to Jesse.