Why do Americans use marijuana?

Marijuana is the most commonly used illicit drug in the United States; yet, little is known about why adults use it. We examined the prevalence of past-month marijuana use by users’ reasons for use—medical, recreational, and both—and identified correlates of each group. Data from 20 states, which participated in the 2017–2019 Behavioral Risk Factor Surveillance System and fielded the marijuana use module, and multinomial logistic regression...