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Marijuana Smoking

Cannabis use predicts risks of heart failure and cerebrovascular accidents: results from the National Inpatient Sample.

By | Brain Disorders, Cardiovascular Diseases, Medical Cannabis, Nervous System Diseases

Authors: Aditi Kalla, Parasuram Krishnamoorthy, Akshaya Gopalakrishnan, Vincent Figueredo
Journal of Cardiovascular Medicine, September 2018

BACKGROUND: Cannabis for medicinal and/or recreational purposes has been decriminalized in 28 states as of the 2016 election. In the remaining states, cannabis remains the most commonly used illicit drug. Cardiovascular effects of cannabis use are not well established due to a…

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Transfer of Inhaled Cannabis Into Human Breast Milk.

By | Pregnancy, Reproduction

Authors: Teresa Baker, Palika Datta, Kathleen Rewers-Felkins, Heather Thompson, Raja Kallem, Thomas Hale
Obstetrics & Gynecology, May 2018

OBJECTIVE: To evaluate the transfer of delta-9-tetrahydrocannabinol and its metabolites into human breast milk after maternal inhalation of 0.1 g cannabis containing 23.18% delta-9-tetrahydrocannabinol. METHODS:
In this pilot pharmacokinetic study, breast milk samples were col…

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Marijuana Use Associations with Pulmonary Symptoms and Function in Tobacco Smokers Enrolled in the Subpopulations and Intermediate Outcome Measures in COPD Study (SPIROMICS).

By | Lung Diseases, Respiratory Tract Diseases

Authors: Madeline A. Morris, Sean R. Jacobson, Gregory L. Kinney, Donald P. Tashkin, et al
Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation, 24 January 2018

Background: Marijuana is often smoked via a filterless cigarette and contains similar chemical makeup as smoked tobacco. There are few publications describing usage patterns and respiratory risks in older adults or in those with chronic obstructive pulmonary disease (COPD). Me…

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Marijuana and pregnancy: objective education is good, but biased education is not.

By | Pregnancy, Reproduction

Authors: Ciara A. Torres, Carl L. Hart
American Journal of Obstetrics and Gynecology, August 2017

To the Editors: We read with interest the article by Chasnoff, 1 which concluded that physicians should be educated about the negative effects of marijuana use during pregnancy and should discourage its use by pregnant women and women considering becoming pregnant. In our view…

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Marijuana use and its effects in pregnancy.

By | Asthma, Pregnancy, Reproduction, Respiratory Tract Diseases

Authors: Kristin C. Chabarria, Diana A. Racusin, Kathleen M. Antony, Maike Kahr, et al
American Journal of Obstetrics and Gynecology, October 2016

BACKGROUND: It is generally assumed that marijuana is one of the more widely used controlled substances during pregnancy. However, there remains a general paucity of population-based data regarding its use and subsequent perinatal morbidity. We hypothesized that direct patient…

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Does Cannabis Cause, Exacerbate or Ameliorate Psychiatric Disorders? An Oversimplified Debate Discussed.

By | Behavioral Health, Substance-Related Disorders

Authors: Margaret Haney, A. Eden Evins
Neuropsychopharmacology, January 2016

There have been extensive policy shifts in the legality of recreational and therapeutic use of cannabis in the United States, as well as a steady increase in the number of people using the drug on a regular basis. Given these rapid societal changes, defining what is known scie…

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Medical marijuana laws and adolescent marijuana use in the USA from 1991 to 2014: results from annual, repeated cross-sectional surveys.

By | Adolescent, Medical Cannabis

Authors: Deborah S. Hasin, Melanie Wall, Katherine M. Keyes, Magdalena Cerdá, John Schulenberg, et al
The Lancet Psychiatry, July 2015

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…

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Psychotic experiences are linked to cannabis use in adolescents in the community because of common underlying environmental risk factors.

By | Adolescent, Behavioral Health, Substance-Related Disorders

Authors: Sania Shakoor, Helena M.S. Zavos, Philip McGuire, Alastair G. Cardno, et al
Psychiatry Research, 30 June 2015

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…

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Controlled Cannabis Vaporizer Administration: Blood and Plasma Cannabinoids with and without Alcohol.

By | Alcohol, Medical Cannabis, Vaporization

Authors: Rebecca L. Hartman, Timothy L. Brown, Gary Milavetz, Andrew Spurgin, et al
Clinical Chemistry, June 2015

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…

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The impact of marijuana policies on youth: clinical, research, and legal update.

By | Legalization, Medical Cannabis, Pediatrics

Authors: COMMITTEE ON SUBSTANCE ABUSE, COMMITTEE ON ADOLESCENCE
Pediatrics, March 2015

This policy statement is an update of the American Academy of Pediatrics policy statement “Legalization of Marijuana: Potential Impact on Youth,” published in 2004. Pediatricians have special expertise in the care of children and adolescents and may be called on to advise legi…

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