What 40 years following thousands of NZ people tells us about cannabis harm
Longitudinal studies have a huge amount to teach us about the impacts of using cannabis, writes Joseph M Boden, director of the Christchurch Health and Development Study. In 101 days, New Zealanders will determine whether or not cannabis should be legalised. In making that decision, there is plenty to learn from the Christchurch and Dunedin … Read more