It's all about me: My life as a nameless, faceless guinea pig of the Dunedin Study

Our assessments used to be all about development, measuring how childhood factors affected our health and behaviours as adults. Now they're very much analysing how we're (gulp) ageing, what part our upbringing and lifestyle choices are playing in our degeneration. It's all a bit like going to confession, and it had been seven years since my last.