Originally Posted by Galkab
серьезно?
ну ладно...
1. Marijuana withdrawal begins within 10 hours of the last dose and consists of irritability, agitation, depression, insomnia, nausea, anorexia, and tremor. Most symptoms peak in 48 hours and last for five to seven days. Some symptoms, such as unusual dreams and irritability, can persist for weeks.
Jones, RT. Human effects in marijuana research findings: 1976. NIDA Research Monograph 14. Rockville, MD: National Institute on Drug Abuse, 1977; 128.
Mendelson, JH, Babor, TF, Kuehnle, JC, et al. Behavioral and biologic aspects of marijuana use. Ann N Y Acad Sci 1976; 282:186
Am J Psychiatry 2004 Nov;161(11):1967-77
2. In men, marijuana causes decreased serum testosterone levels, sperm count, and sperm motility. This may lead to decreased libido, impotence, and gynecomastia. An increased risk of infertility may result from changes in semen characteristics seen with marijuana smoking.
Kolodny, RC, Masters, WH, Kolodner, RM, Toro, G. Depression of plasma testosterone levels after chronic intensive marihuana use. N Engl J Med 1974; 290:872
Hembree, WC, Nahas, GG, Zeidenberg, P, et al. Changes in human spermatozoa associated with high-dose marijuana smoking. In: Nahas, GG (ed) Marijuana and Medicine, Humana Press, Totowa, NJ, 2001
3. In women, chronic marijuana use causes shorter menstrual cycles and increased prolactin levels. The latter may cause galactorrhea.
THC accumulates in breast milk and crosses the placenta. This can lead to low birthweight babies and abnormal reflexes and responses in newborns.
Cohen, S. Marijuana and reproductive functions. Drug Abuse and Alcoholism News 1985; 13:1
Fehr, KO, Kalant, H (Eds). Addiction Research Foundation/World Health Organization Meeting on Adverse Health and Behavioral Consequences of Cannabis Use. Toronto, Ontario: Addiction Research Foundation, 1983.
Tennes, K. Effect of marijuana on pregnancy and fetal development in the human. NIDA Research Monograph 44. Rockville, MD: National Institute on Drug Abuse, 1984; 115
Jones, KL, Chernoff, GF. Effects of chemical and environmental agents. In Creasy, RK, and Resnik, R (Eds), Maternal Fetal medicine. Philadelphia, PA: W. B. Saunders, 1984.
4. There is evidence that marijuana use may increase the risk of schizophrenia and depression.
Lancet 1987 Dec 26;2(8574):1483-6
BMJ 2002 Nov 23;325(7374):1199
Am J Psychiatry 2001 Dec;158(12):2033-7.
5. Tachycardia results from stimulation of the cardiac pacemaker by marijuana, which may worsen hypertension or underlying heart disease. One case-crossover study found that the risk of myocardial infarction onset was increased almost five times over baseline in the 60 minutes after marijuana use.
Beaconsfield, P, Ginsburg, J, Rainsbury, R. Marihuana smoking. Cardiovascular effects in man and possible mechanisms. N Engl J Med 1972; 287:209.
Triggering myocardial infarction by marijuana. Mittleman MA; Lewis RA; Maclure M; Sherwood JB; Muller JE. Circulation 2001 Jun 12;103(23):2805-9.
6. Marijuana impairs the immune system by suppressing activity of natural killer cells and macrophages. Marijuana use also generally results in an increase in appetite. Marijuana use increases risk-taking behavior, and increases the risk of resumption of alcohol or cocaine dependence after hospital discharge for detoxification.
Marijuana, immunity and infection. Klein TW; Friedman H; Specter S. J Neuroimmunol 1998 Mar 15;83(1-2):102-15
Acute marijuana effects on human risk taking. Lane SD; Cherek DR; Tcheremissine OV; Lieving LM; Pietras CJ. Neuropsychopharmacology. 2005 Apr;30(4):800-9
Postdischarge cannabis use and its relationship to cocaine, alcohol, and heroin use: a prospective study. Aharonovich E; Liu X; Samet S; Nunes E; Waxman R; Hasin D. Am J Psychiatry. 2005 Aug;162(8):1507-14.
Тем не менее...со свем написанным выше, исследований довольно мало и те что есть (указаные выше) далеко от идеальных и посему с научной точки зрения слабоваты. Так что утверждать так или иначе по крайней мере глупо...



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