It notes that average levels of the psychoactive ingredient in cannabis, THC, are five to 10 times higher than levels in the ...

Researchers followed more than 400,000 teens until they were adults. It found that those who used marijuana were more likely to develop serious mental illness, as well as depression and anxiety.

A new study shows that teens with past-year cannabis use are twice as likely to be diagnosed with psychotic or bipolar disorders within 2 years of first use.

Teens who use weed are twice as likely to develop psychotic or bipolar disorders, a new study says. They also are more likely to have depression and anxiety, researchers reported Feb. 20 in JAMA ...

Adolescents who use cannabis could face a significantly higher risk of developing serious psychiatric disorders by young adulthood, according to a large study published in JAMA Health Forum. The ...

As I wrote in a previous post, there are six specific conditions within the Schizophrenia and Related Conditions (AKA psychotic disorders) chapter of the Diagnostic and Statistical Manual of Mental ...

Mood disorders, such as depressive and bipolar disorders, refer to different psychiatric conditions that affect an individual‘s emotional state. Other types of psychiatric conditions, classified as ...

A new study finds teen cannabis use may be linked to a doubled risk of serious mental illness, including psychosis and ...

When people struggle with anxiety and depression, the most effective approach is often to combine medication and ...

Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...