A Monash University study found psychotic disorders accounted for 40% of cannabis-related hospital admissions in Victoria between 2013 and 2023, making psychosis the most common primary diagnosis.

Overview Debates Related claims Topics Sources

Childhood trauma leads people to develop psychosis

Mental health nursing expert Jill Archibald provided evidence to the Lampard Inquiry that Oxevision cameras can increase patient paranoia and cause some patients to scream at the device.

The proposed FY26 budget restructuring includes a $1 billion funding reduction affecting community mental health centers, suicide prevention, and substance use treatment programs.

The President's FY26 budget proposed dissolving the Substance Abuse and Mental Health Services Administration and the Health Resources and Services Administration to consolidate them into a new Administration for a Healthy America.

The Substance Abuse and Mental Health Services Administration reinstated $2 billion in mental health and substance use grants on January 14, 2026, following bipartisan pushback.

On January 13, 2026, the Substance Abuse and Mental Health Services Administration terminated hundreds of grants totaling approximately $2 billion for mental health and substance use disorder services.

Heavy alcohol use, drug use, and smoking were associated with looking biologically older in FAHR-FaceAge facial photograph analyses, with current smokers appearing older than former smokers.

A study in BMJ Open associated childhood adversity with 60% of drug use in Wales, 57% in England, 49% of violence in Wales, and 46% in England.

Valdo Calocane was diagnosed with paranoid schizophrenia in 2020, had been sectioned four times under the Mental Health Act, and pleaded guilty to manslaughter on the grounds of diminished responsibility in January 2024

A study of U.S. health data published in Lancet Psychiatry reported that GLP-1 users with schizophrenia and type 2 diabetes were less likely to be admitted to a psychiatric hospital than patients taking other types of diabetes medication

A study of U.S. health records published in Lancet Psychiatry found that patients with both schizophrenia and type 2 diabetes who were prescribed GLP-1 receptor agonists had a 24% lower risk of psychiatric hospital admission than those not taking GLP-1s

Patients with schizophrenia and type 2 diabetes prescribed GLP-1 receptor agonists were 29% less likely to visit an emergency department for a mental health crisis compared to those not taking GLP-1s, according to a Lancet Psychiatry study

The authors of the Lancet Psychiatry study published in October 2026 emphasized that randomized controlled trials are required to confirm whether GLP-1 receptor agonists directly reduce psychiatric acute care needs in patients with schizophrenia

Study authors advised that GLP-1 receptor agonists should not be considered a primary psychiatric treatment or prescribed solely to reduce psychiatric hospital admissions based on current evidence

Ultra-processed food and addiction researcher Ashley Gearhardt noted that binge eating emerged as a recognized clinical problem alongside the growing dominance of highly processed foods in the food supply.

Documented marijuana use among young adult stroke patients in the study region increased from under 1% in 1993–1994 to 30.6% in 2020, accounting for most of the overall substance use increase.

Documented substance use among stroke patients aged 20 to 54 increased from 4.6% in 1993–1994 to 40.2% in 2020.

The planned 2027 Pittsburgh GLP-1 trial will evaluate whether the drug helps individuals with addiction while reducing criminal recidivism and improving employment, health, and housing outcomes.

The planned 2027 Pittsburgh GLP-1 trial will enroll up to 1,200 adults with alcohol use disorder, opioid use disorder, or both, who face high risk of criminal-justice involvement.

The Center for Addiction Science, Policy and Research and the Allegheny County Department of Human Services plan to launch a GLP-1 clinical trial in Pittsburgh in early 2027.