Results 161 to 170 of about 468,141 (205)
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The relationship of tobacco and marijuana smoking characteristics
Life Sciences, 1995In 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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Marijuana Smoking and Head and Neck Cancer
The Journal of Clinical Pharmacology, 2002A recent epidemiological study showed that marijuana smoking was associated with an increased risk of head and neck cancer. Among high school students and young adults, the prevalence of marijuana use was on the rise in the 1990s, with a simultaneous decline in the perception that marijuana use is harmful.
Mia, Hashibe +2 more
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Effects of Marijuana Smoking on the Lung
Annals of the American Thoracic Society, 2013Abstract Regular smoking of marijuana by itself causes visible and microscopic injury to the large airways that is consistently associated with an increased likelihood of symptoms of chronic bronchitis that subside after cessation of use.
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Passive Inhalation of Marijuana Smoke
JAMA: The Journal of the American Medical Association, 1983To the Editor.— The letter on the sensitivity of the enzyme-multiplied immunoassay technique (EMIT) in detecting the presence of cannabinoids in the urine of persons who have passively inhaled marijuana smoke points to the need for further study of the issue (1983;249:475).
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Detection of marijuana smoke in the atmosphere of a room
Experientia, 1973Mit einer Analysenmethode gelingt es, Marijuanarauch von einer Zigarette oder weniger durch Kombination von Anreicherungsverfahren mit hochauflosender Gaschromatographie in Zimmerluft nachzuweisen. Charakteristische Profile von 200 bis 300 Komponenten (darunter Cannabinoide), die sich deutlich von denen von Tabakrauch unterscheiden, wurden mit Hilfe ...
M, Novotny, M L, Lee
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Effects of Smoked Marijuana in Healthy and HIV+ Marijuana Smokers
The Journal of Clinical Pharmacology, 2002This 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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On the Carcinogenicity of Marijuana Smoke
1972Marijuana (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 +3 more
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Breathhold duration and response to marijuana smoke
Pharmacology Biochemistry and Behavior, 1989Marijuana 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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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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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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Respiratory and Immunologic Consequences of Marijuana Smoking
The Journal of Clinical Pharmacology, 2002Habitual 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 +4 more
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