1 in 5

Among the 52 million people who said they used marijuana in the past year, young adults ages 18 to 25 were the most likely to report doing so, at 35%. That age group was also the most likely to report having a mental illness in the past year, at 34%. The findings were part of the annual National Survey on Drug Use and Health released Wednesday by the Substance Abuse and Mental … [Read more...] about 1 in 5 Young Adults Say They Use Marijuana: Survey