The prevalence of marijuana use among US adults more than doubled over a 12-year period, from 2001 to 2013, new research suggests. Prevalence rates rose from 4.1% in 2001 to 9.5% in 2013, according to ...

Dr. Smita Das often hears the same myth: You can’t get hooked on pot. And the misconception has become more widespread as a growing number of states legalize marijuana. Around half now allow ...

Anders Gilliand was just 17 years old when he started to lose contact with reality. “He thought that there were higher beings that were communicating with him to tell him what to do or who he was,” ...

A new study released last week revealed links between teenagers who use marijuana and an increased risk of dangerous mental health disorders. Researchers from the University of Toronto found that ...

Anxiety-related disorders are the most common mental illnesses in the U.S., but less than half of people suffering from them are receiving treatment, according to the Anxiety and Depression ...

As cannabis becomes increasingly available across the US, researchers highlight a need for physician and public awareness around its risks. The corresponding review article was published in the New ...

Easing the restrictions on cannabis, as proposed by President Trump, could enhance research and bring some consistency in ...

Wonder Land: State legalizations of gambling and marijuana prove that the goal of governments today is mainly to take, rather than help. Images: Getty Images Composite: Mark Kelly State and local ...