Cannabis

Only a small proportion of patients with cancer and survivors who use cannabis know the concentration of THC and CBD they typically consume, according to results of a survey.

The FDA said Wednesday that it has warned six companies about illegally selling what it called “copycat” edibles containing delta-8 tetrahydrocannabinol, a psychoactive and intoxicating substance found in cannabis sativa plants.

Out of more than 20,000 dietary supplements, only one had sufficient nutrients in required doses that pregnant patients need, according to a study recently published in The American Journal of Clinical Nutrition.

A first-of-its kind drug demonstrated potential as a safe and effective treatment for cannabis use disorder, according to a phase 2a study published in Nature Medicine.

Policies on mandatory cannabis warning sign were not associated with reduced use during pregnancy or with users believing use during pregnancy was less safe, according to study results published in JAMA Network Open.

Recent data showed that an 11-item symptom checklist was effective in identifying substance use disorder severity in primary care, supporting its use as a clinical decision-making tool, researchers reported.

SAN FRANCISCO — Psychiatrists should ask patients about using all substances, including alcohol, tobacco and cannabis, to see if they are interested in learning how that use affects them, Smita Das, MD, PhD, MPH, of Stanford University, says in this Healio video.

SAN FRANCISCO — Among people with schizophrenia, lifetime duration of cannabis use was associated with cognitive function, according to a poster presented at the American Psychiatric Association annual meeting.

The association between cannabis use disorder and schizophrenia was stronger in men compared with women, particularly among people aged 16 to 20 years, according to a study published in Psychological Medicine.

The prevalence of substance use among high school students was lower in 2021 compared with that in 2009 and 2019, although lifetime inhalant use was up from 2019, findings in the Morbidity and Mortality Weekly Report Supplement showed.