The most notable increases in marijuana use were in women, blacks, Hispanics, people living in the South, and those middle-aged or older.
Brain researcher says no studies have ever demonstrated that there is a risk of long-term psychosis with marijuana use.
Participants who had used substances such as synthetic marijuana or bath salts were also more likely to have used illicit drugs.
As more states legalize the use of medical marijuana, researchers have conducted studies that explore how marijuana use affects various conditions. Individuals with certain psychiatric disorders seem to benefit from marijuana use, while others may experience adverse effects. Read through the slideshow to see how marijuana may positively or negatively affect different psychiatric illnesses based…
Sue Sisley, who was fired as a professor last year, said she will start the clinical trial as soon as she receives marijuana from the feds.
College students who use tobacco, marijuana or binge drink are also more likely to smoke e-cigarettes.