Researchers have been studying its impact on health, public safety and the economy, but there’s still so much more to learn. In some ways, the cart came before the horse, as in legalization came well before the research. On Colorado Matters, Angela Bryan, a professor of psychology, and Brian Keegan, an assistant professor of information science, both at the University of … [Read more...] about 10 years of recreational cannabis research: What we know and what’s still to learn