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

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 ...

The drug, legal in much of the country, is widely seen as nonaddictive and safe. For some users, these assumptions are dangerously wrong. By Megan Twohey Danielle Ivory and Carson Kessler The ...

Alex Berenson's 'Tell Your Children' gains renewed attention as cannabis-linked psychosis concerns finally reach mainstream ...

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 ...

An analysis of 35,000 Canadians shows that rising cannabis use and worsening mental‑health symptoms are increasingly appearing together, with the connection between the two strengthening over time.

A new study analyzes the disease burden and the risk factors for severity among people who suffer from a condition called cannabinoid hyperemesis syndrome. Researchers say the condition occurs in ...

MONDAY, April 7, 2025 (HealthDay News) -- In a best practice guideline issued by the American College of Physicians and published online April 4 in the Annals of Internal Medicine, advice is presented ...

Cannabis (sometimes called marijuana) is a broad term that can refer to a specific plant (genus Cannabis), the chemicals contained in the plant, their synthetic counterparts and analogues, and ...