Vaping, Marijuana Use Rising in Young Adults.

• Position: SUBSTANCE USE

Vaping marijuana and nicotine rose sharply in the past three years among college-age (19-22 years old) adults, according to survey results from the Monitoring the Future (MTF) study. The percentage of college students who said they vaped marijuana in the past 30 days rose from 5.2% to 14%. The corresponding percentages for their nonoollege-attending peers increased from 7.8% to 17%.

MTF is an ongoing study of the trends in substance use by adolescents and adults in the U.S. The survey is conducted by scientists at the University of Michigan's Institute for Social Research, Ann Arbor.

The percentage of college-age adults who vaped nicotine also rose dramatically, as three years ago 6.1% of college students and 7.9% of those not in college said they vaped nicotine in the past month, which has risen to 22% and 18%, respectively. These increases in vaping marijuana and nicotine are among the largest...