have higher dopamine levels in an area of the brain linked to psychosis, found a new study published in JAMA Psychiatry. The findings may help explain why cannabis use increases the risk of key ...

“This could help explain why cannabis use increases the risk of hallucinations and delusions, key symptoms of schizophrenia and other psychotic disorders,” said first author Jessica ...

“Excess levels of dopamine can disrupt normal brain processes and may increase the risk of psychosis ... associated with psychosis –the substantia nigra and ventral tegmental areas. This increase was ...

In the current study, researchers investigated changes in adolescent cannabis use and harm perception linked to the legalization of such ‘youth-friendly’ products. To do so, they analyzed data from ...

Although cigarette use is declining among middle-aged people in the United States, cannabis use is increasing. Cannabis smoke, like tobacco smoke, is linked to an increased risk of cancer and lung ...

Psilocybin has a colorful history (pun intended). The active ingredient in “magic mushrooms,” psilocybin etymologically translates to “bare headed” or “stripped bare” (Etymonline, 2025 ...

Cannabis use in teens has been linked to mental health problems like anxiety, depression and a higher risk of long-term conditions like schizophrenia. It can also affect brain areas tied to ...

A study on emergency service use ... Risk of Psychosis: High tetrahydrocannabinol (THC) patients had very high chances of developing psychotic features as compared to those who used low THC cannabis.

Legalization of cannabis products may be linked to growing use among teens ... in an email. Teens using cannabis products regularly are at a greater risk for developing dependency disorders ...