The Lancet Psychiatry, July 2015
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BACKGROUND: Adolescent use of marijuana is associated with adverse later effects, so the identification of factors underlying adolescent use is of substantial public health importance. The relationship between US state laws that permit marijuana for medical purposes and adoles…
Psychiatry Research, 30 June 2015
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Cannabis users are more likely to have psychotic experiences (PEs). The degree to which these associations are driven by genetic or environmental influences in adolescence is unknown. This study estimated the genetic and environmental contributions to the relationship between…
JAMA, 23 June 2015
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As the use of cannabis (marijuana) for medical purposes has expanded, a variety of edible products for oral consumption has been developed. An estimated 16% to 26% of patients using medical cannabis consume edible products.1,2 Even though oral consumption lacks the harmful by-…
JAMA, 23 June 2015
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IMPORTANCE: As of March 2015, 23 states and the District of Columbia had medical marijuana laws in place. Physicians should know both the scientific rationale and the practical implications for medical marijuana laws. OBJECTIVE: To review the pharmacology, indications, and law…
JAMA, 23 June 2015
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IMPORTANCE: Cannabis and cannabinoid drugs are widely used to treat disease or alleviate symptoms, but their efficacy for specific indications is not clear. OBJECTIVE: To conduct a systematic review of the benefits and adverse events (AEs) of cannabinoids. DATA SOURCES: Twenty…
JAMA, 23 June 2015
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There is a pressing need to develop new medications for many debilitating conditions. Novel approaches based on marijuana or its constituent cannabinoids, if proven, could be added to the armamentarium of available treatments. In this issue of JAMA, reviews by Whiting et al1 a…
Clinical Chemistry, June 2015
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BACKGROUND: Increased medical and legal cannabis intake is accompanied by greater use of cannabis vaporization and more cases of driving under the influence of cannabis. Although simultaneous Δ(9)-tetrahydrocannabinol (THC) and alcohol use is frequent, potential pharmacokineti…
Journal of Studies on Alcohol and Drugs, May 2015
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OBJECTIVE: Management of chronic pain is one of the most common reasons given by individuals seeking medical cannabis. However, very little information exists about the concurrent use of cannabis and prescription pain medication (PPM). This study fills this gap in knowledge by…
Ethan Russo, MD, is a board-certified neurologist and psychopharmacology researcher. He has held faculty appointments in Pharmaceutical Sciences at the University of Montana, in Medicine at the University of Washington, and as visiting professor, Chinese Academy of Sciences. He is currently Past-President of the International Cannabinoid Research Society, and is former Chairman of the International Association for Cannabinoid Medicines.
Oncology Reports, April 2015
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In the early stages, prostate cancer is androgen‑ dependent; therefore, medical castration has shown significant results during the initial stages of this pathology. Despite this early effect, advanced prostate cancer is resilient to such treatment. Recent evidence shows that…
Clinical Researcher, April 2015
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Although cannabis is primarily viewed by the public as a recreational drug or agent of abuse, its medical application spans recorded history.1,2 Evolution has yielded a cannabis plant that produces a family of some 100 chemicals called phytocannabinoids (“plant cannabinoids”)…
The Lancet Psychiatry, March 2015
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BACKGROUND: The risk of individuals having adverse effects from drug use (eg, alcohol) generally depends on the frequency of use and potency of the drug used. We aimed to investigate how frequent use of skunk-like (high-potency) cannabis in south London affected the associatio…