Results 311 to 320 of about 588,814 (340)

Effects of Smoked Marijuana in Healthy and HIV+ Marijuana Smokers

The Journal of Clinical Pharmacology, 2002
This article presents data from two avenues of marijuana research. First, the author shows that daily marijuana smoking in healthy individuals produces dependence, as demonstrated by withdrawal symptoms such as increased irritability and depression and decreased food intake.
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Tobacco smoking in marijuana-dependent outpatients

Journal of Substance Abuse, 2001
Among marijuana-dependent individuals, approximately 50% smoke tobacco. These individuals are exposed to increased risks of respiratory and other health problems. The current study examined whether tobacco smoking among marijuana-dependent individuals is also associated with increased psychosocial and substance abuse problems.Marijuana-dependent ...
B A, Moore, A J, Budney
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Marijuana Smoke Condensate

2007
Cannabis sativa is one of the oldest plants known to medicine and one of the most thoroughly studied plants today. Much knowledge has been gained about the chemistry, pharmacology, metabolism, and pharmacokinetics of pure compounds from Cannabis, as well as the chemical and biological analysis of marijuana smoke condensate (MSC).
Hala N. ElSohly, Mahmoud A. ElSohly
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On the Carcinogenicity of Marijuana Smoke

1972
Marijuana (Cannabis sativa I.) has become the second most widely used smoke product in the Western World1-2-3-4. Marijuana smoke, however, is inhaled in significantly lower doses than tobacco smoke and its effect is predominantly psychotomimetic with some acute toxic side effects.
D. Hoffmann, K. D. Brunnemann, G. B. Gori, E. L. Wynder   +3 more
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Pupillary Constriction after Marijuana Smoking

American Journal of Ophthalmology, 1972
The increasing use of psychedelic drugs is of great concern socially, legally, and medi­ cally. Of these controversial drugs, mari­ juana is particularly important because of its ready availability and widespread use, and yet surprisingly little is known regarding the measurable effects of its use.
R S, Hepler, I M, Frank, J T, Ungerleider   +2 more
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The relationship of tobacco and marijuana smoking characteristics

Life Sciences, 1995
In an ongoing study of the pulmonary effects of heavy, habitual marijuana smoking, detailed marijuana and tobacco smoking histories were obtained from 467 adult regular smokers of marijuana and/or tobacco. Frequency and cumulative amounts of tobacco and marijuana smoking were similar for smokers and nonsmokers of tobacco, except that pack-years and ...
M S, Simmons, D P, Tashkin
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Breathhold duration and response to marijuana smoke

Pharmacology Biochemistry and Behavior, 1989
Marijuana smokers are frequently observed to hold the smoke in their lungs for prolonged periods (10-15 sec) apparently in the belief that prolonged breathholding intensifies the effects of the drug. The actual influence of breathhold duration on response to marijuana smoke has not been studied.
J P, Zacny, L D, Chait
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Respiratory and Immunologic Consequences of Marijuana Smoking

The Journal of Clinical Pharmacology, 2002
Habitual smoking of marijuana has a number of effects on the respiratory and immune systems that may be clinically relevant. These include alterations in lung function ranging from no to mild airflow obstruction without evidence of diffusion impairment, an increased prevalence of acute and chronic bronchitis, striking endoscopic findings of airway ...
Donald P, Tashkin, Gayle C, Baldwin, Theodore, Sarafian, Steven, Dubinett, Michael D, Roth   +4 more
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MARIJUANA AND MEMORY: EFFECTS OF SMOKING ON STORAGE*

Transactions of the New York Academy of Sciences, 1974
AbstractTwo experiments were conducted to test the hypothesis that smoked marijuana interferes with short‐term retention by disrupting the storage phase of the memory process. In the first experiment, information was presented after smoking, and recalled at a later time; in the second experiment, information was presented prior to smoking and recalled ...
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Clearing the Smoke Around Medical Marijuana

Clinical Pharmacology & Therapeutics, 2011
The hazy world of "medical marijuana" continues to cry out for clear data on which to base medical decision making and rational policy design. In this issue of Clinical Pharmacology & Therapeutics, Abrams and colleagues report that vaporized cannabis does not meaningfully affect opioid plasma levels and may even augment the efficacy of oxycodone and ...
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