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Search for marijuana in all Journal Watch editions
Physician-authored summaries on the latest research on marijuana, editorials on marijuana, and perspectives on marijuana - drawn from the top medical journals.
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Legal Medical Marijuana Poses Risks to Teens
- June 18, 2012
- Barbara Geller, MD
- Psychiatry
A remarkable 74% of teens in two Colorado substance treatment programs admit to use of diverted marijuana.
CME Exam- Reviewing:
- Salomonsen-Sautel S et al., J Am Acad Child Adolesc Psychiatry 2012 May 28;:
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No Decline in Pulmonary Function with Marijuana Use
- January 26, 2012
- Thomas L. Schwenk, MD
- General Medicine
But the effects of heavy use still are unclear.- Reviewing:
- Pletcher MJ et al., JAMA 2012 Jan 11; 307:173.
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Marijuana Use and Mortality After Myocardial Infarction
An analysis suggests that marijuana use is associated with higher short-term risk for mortality in survivors of MI.- Reviewing:
- Mukamal KJ et al., Am Heart J 2008 Mar; 155:465. Gaziano JM., Am Heart J 2008 Mar; 155:395.
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Smoking Marijuana During Pregnancy
Heavy prenatal marijuana exposure was associated with lower intelligence scores at age 6 years.- Reviewing:
- Goldschmidt L et al., J Am Acad Child Adolesc Psychiatry 2008 Mar; 47:254.
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Potential Prolonged Changes in Cerebral Hemodynamics in Heavy Marijuana Users
- October 6, 2005
- Michael A. Sloan, MD, MS
- Neurology
Marijuana use is known to affect neurovasculature. Do changes persist when people quit using the drug? These authors sought to determine (1) whether increased cerebral . . .- Reviewing:
- Herning RI et al., Neurology 2005 Feb 8; 64:488-93.
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Occasional Marijuana Use Not Associated with Impaired Lung Function Free
- January 11, 2012
- Physician's First Watch
Patients may ask about a JAMA study suggesting that occasional marijuana use does not lead to reduced pulmonary function.Some 5000 young adults completed questionnaires... -
Medical Marijuana Rules to Be Eased for Veterans Free
- July 26, 2010
- Physician's First Watch
Patients may ask about a front-page story in Saturday's New York Times describing a new policy from the Department of Veterans Affairs: Veterans using... -
Marijuana Smoking Linked to Periodontal Disease
- February 29, 2008
- John A. Marx, MD, FAAEM, FACEP
- Emergency Medicine
The association is independent of tobacco smoking.- Reviewing:
- Thomson WM et al., JAMA 2008 Feb 6; 299:525.
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Hashing Out Allergic Contact Dermatitis — Another Medical Use for Marijuana? Free
- June 22, 2007
- Mark V. Dahl, MD
- Dermatology
Cannabinoids, endogenous and exogenous, suppressed contact dermatitis reactions in mouse ears.- Reviewing:
- Karsak M et al., Science 2007 Jun 8; 316:1494-7.
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Marijuana for Painful Peripheral Neuropathy? Free
- April 30, 2007
- Judith Feinberg, MD
- HIV/AIDS
A cleverly designed trial demonstrated the pain-relief benefits of smoked marijuana in patients with HIV-associated sensory neuropathy.- Reviewing:
- Abrams DI et al., Neurology 2007 Feb 13; 68:515-21.
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A Genetic Mediator of Marijuana Use as a Risk Factor for Psychosis
- July 21, 2005
- Steven Dubovsky, MD
- Psychiatry
Adolescent marijuana use has been linked to an increased risk for psychosis (see Journal Watch Psychiatry Jan 27 2005). Also implicated in schizophrenia is . . .- Reviewing:
- Caspi A et al., Biol Psychiatry 2005 May 15; 57:1117-27.
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This Is Your Brain on Drugs: The Marijuana-Psychosis Connection Revisited
- January 27, 2005
- Peter Roy-Byrne, MD
- Psychiatry
In this German population-based study, cannabis use clearly increased the risk for any psychotic symptom.- Reviewing:
- Henquet C et al., BMJ 2005 Jan 1; 330:11.
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Marijuana and Driving Don't Mix
- February 16, 2012
- Paul S. Mueller, MD, MPH, FACP
- General Medicine
Acute cannabis use raises risk for motor vehicle accidents.
CME Exam- Reviewing:
- Asbridge M et al., BMJ 2012 Feb 9; 344:e536.
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Marijuana and Periodontal Disease
- February 12, 2008
- Thomas L. Schwenk, MD
- General Medicine
Cannabis smoking could be an independent risk factor, in addition to tobacco.- Reviewing:
- Thomson WM et al., JAMA 2008 Feb 6; 299:525. Hujoel PP., JAMA 2008 Feb 6; 299:574.
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Good and Bad News About Adolescent Substance Use
- January 4, 2012
- Alain Joffe, MD, MPH, FAAP
- Pediatrics and Adolescent Medicine
Declines in adolescents' use of alcohol and tobacco are offset by a continuing rise in use of marijuana.- Reviewing:
- Johnston LD et al., 2011 Dec 14,;: Johnston LD et al., 2011 Dec 14,;:
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How Cannabis Might Increase Schizophrenia Risk in the Developing Mind
- December 21, 2012
- Barbara Geller, MD
- Psychiatry
In adolescent mice, a cannabinoid receptor agonist is linked to abnormal prepulse inhibition similar to that found in schizophrenia.- Reviewing:
- Gleason KA et al., Transl Psychiatry 2012 Nov 27; 2:e199.
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Persistent Adolescent-Onset Cannabis Use, Persistent Cognitive Decline
- September 17, 2012
- Barbara Geller, MD
- Psychiatry
Deficits were found across multiple cognitive domains.- Reviewing:
- Meier MH et al., Proc Natl Acad Sci U S A 2012 Aug 27;:
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Cannabinoid Hyperemesis — A Case Series
- March 6, 2012
- Allan S. Brett, MD
- General Medicine
Consider this syndrome if a long-term marijuana user presents with otherwise unexplained recurrent vomiting.- Reviewing:
- Simonetto DA et al., Mayo Clin Proc 2012 Feb; 87:114. Mechoulam R., Mayo Clin Proc 2012 Feb; 87:107.
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The Latest Word on Pot and Susceptibility to Psychosis
- July 11, 2011
- Steven Dubovsky, MD
- Psychiatry
A meta-analysis indicates a specific association between cannabis use and earlier onset of psychosis.- Reviewing:
- Large M et al., Arch Gen Psychiatry 2011 Jun; 68:555.
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Substances and Driving Don't Mix
- April 15, 2011
- Steven Dubovsky, MD
- Psychiatry
Driving under the influence is common in problem drinkers, and road rage is a dangerous sequela.
CME Exam- Reviewing:
- Timko C et al., J Stud Alcohol Drugs 2011 Mar; 72:173. Fierro I et al., J Stud Alcohol Drugs 2011 Mar; 72:185.
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