The internationally acclaimed Dunedin longitudinal study has uncovered a critical marker at aged three that determines life outcomes across the board.

In this edition of NEXT Outlook, the director of the Dunedin Multidisciplinary Study Professor Richie Poulton explains the science behind that revelation – and challenges philanthropy, business and other agencies to invest in the early years to help make a difference to our country and our people.

View extended video (13 mins)