منابع مشابه
Early Versus Late Onset of Cannabis Use: Differences in Striatal Response to Cannabis Cues
Addiction theories posit that addiction is the result of a progressive transition from voluntary to habitual, compulsive drug use-changes that have been linked, in animals, to a shift from ventral to dorsal striatal control over drug-seeking behavior. Thus, we hypothesized that early-onset (EOs) cannabis users versus late-onset (LOs) cannabis users might exhibit, respectively, greater dorsal ve...
متن کاملA Review on Agronomic, Phytochemical and Pharmacological Aspects of Cannabis (Cannabis sativa L.)
Cannabis (Cannabis sativa L.), commonly known as hemp, is an annual herb belongs to the family Cannabacea. The seeds of this plant have considerable content of oil and unsaturated fatty acids, and its fiber is used in the paper and textile industries. Tetrahydrocannabinol and cannabidiol are main cannabinoid compounds of this plant, which have high importance for their well-known pharmaceutical...
متن کاملResponse of Cannabis sativaL. to foliar application of 2chloroethyltrimethylammonium chloride. Hakimeh Mansouri1, 2* and Monir Rohani3
The growth of medicinal plants and biosynthesis of secondary metabolites is influenced by plant growth regulators. In this study we investigated influence offour levels (0, 500, 1000, and 1500 mg l-1) of2-chloroethyltrimethylammonium chloride (Cycocel), a plant growth retardant, on growth parameters and some biochemical parameters of cannabis plants. Cycocel only at 500 mg l-1 decreased shoot l...
متن کاملRethinking dose-response effects of cannabis use in adolescence.
www.thelancet.com/psychiatry Vol 1 November 2014 417 Authors’ reply We would like to thank Tom Freeman and Amanda Reiman and colleagues for their comments. Freeman and colleagues suggest the possibility that the associations between extent of early cannabis use and later outcomes reported in our Article were non-linear. They note that fi ndings for individuals reporting daily use tend to show l...
متن کاملReduced response to reward in smokers and cannabis users.
BACKGROUND Cannabis is one of the most commonly used illicit drugs. Reduced neural and behavioral reactions to reward have been demonstrated in other forms of addiction, as expressed by reduced mood reactivity and lack of striatal activation to rewards, but this effect has not yet been investigated in cannabis users. METHODS We hypothesized that cannabis users and tobacco smokers would eviden...
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ژورنال
عنوان ژورنال: British Journal of Psychiatry
سال: 2001
ISSN: 0007-1250,1472-1465
DOI: 10.1192/bjp.179.4.369-a