More and more college students are using marijuana on a daily basis.
The University of Michigan's Monitoring the Future program has been studying the drug habits of college students for 35 years.
Its latest report finds nearly 6% of college students use marijuana daily. That’s the highest percentage since 1980. Rates of frequent marijuana use are also higher.
Researchers note the growth in marijuana use corresponds with a dramatic decline in the percentage of young people who see daily pot use as "dangerous."
College students’ use of any illicit drugs is on the rise generally. Thirty-four percent of college students in 2006 admitted to using some illicit drugs during the previous 12 months. That percentage increased to 41% in 2013 before falling to 39% in 2014.
In addition to marijuana, college students are using more amphetamines and ecstasy.
Heroin, LSD and other hallucinogenic drugs remain in low demand, according to the U of M study.