Legal Marijuana Hurts Students' Grades

Guest: Ulf Zoelitz, PhD, Post-Doctoral Researcher, Behavior and Inequality Research Institute  More than half the states in the US have legalized marijuana use in some form, and as more proponents of recreational marijuana use push to change state laws, it’s helpful to look abroad to understand the consequences of marijuana use. Two economists from the Netherlands—where recreational cannabis consumption has been decriminalized for four decades—decided to take a closer look at the effect marijuana has on students and found, maybe unsurprisingly, that the less you smoke, the better you’ll do in school.