Shared mechanisms between marijuana and other substances "may contribute to the association of cannabis use with (substance use disorders) but not with most other disorders examined," they explain.

Marijuana's health effects need more study, say experts By Ryan Jaslow March 11, 2014 / 11:05 AM EDT / CBS News ...

The NIDA-supported 2013 Monitoring the Future Survey says that 6.5 percent of 12th graders report daily or near-daily marijuana use, with 60 percent not perceiving that regular marijuana use can ...

Prior studies show children with mood disorders are highly likely to use and abuse marijuana, Fontanella said, partly because they don’t like the side effects of many prescribed medications.

That's why marijuana can have wide-ranging effects, including: Impaired short-term memory. Marijuana use can make it hard to learn and retain information, particularly complex tasks.

“It’s not clear,” Yi said. According to the National Institute on Drug Abuse, the majority of people who smoke marijuana do not go on to use “harder” drugs.

Cannabis can also impact cardiovascular health, as it can increase heart rate and blood pressure immediately after use. Some ...

If current trends continue, marijuana use among high school seniors could soon become more common than cigarette smoking, says Nora Volkow, director of the National Institute on Drug Abuse. Q.

Research on marijuana's negative health effects summarized in report Date: June 5, 2014 Source: NIH/National Institute on Drug Abuse Summary: The current state of science on the adverse health ...

In addition, medicinal and/or recreational use of marijuana has been legalized or decriminalized in many states in the past 20 years, and the concentration of THC in cannabis products has ...

UPDATED: December 16, 2022 at 11:00 AM CST A new cannabis research center in Chicago will explore the effects of the plant and how best to manage the industry, officials announced Thursday.