| Titre : | Cannabis use and cognitive decline in persons under 65 years of age. (1999) |
| Auteurs : | C.G. LYKETSOS ; J.C. ANTHONY ; E. GARRETT ; K.Y. LIANG ; Department of Biostatistics. School of Hygiene and Public Health. The Johns Hopkins University. Baltimore. MD. CAN ; Department of Epidemiology. School of Hygiene and Public Health. The Johns Hopkins University. Baltimore. MD. CAN ; Department of Mental Hygiene. School of Hygiene and Public Health. The Johns Hopkins University. Baltimore. MD. CAN |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 149, n° 9, 1999) |
| Pagination : | 794-800 |
| Langues: | Anglais |
| Mots-clés : | Fonction cognitive ; Démence ; Toxicomanie ; Epidémiologie ; Prévalence ; Facteur risque ; Personne âgée ; Toxicomane ; Homme ; Cannabis |
| Résumé : | [BDSP. Notice produite par INIST jR0xqvF2. Diffusion soumise à autorisation]. The purpose of this study was to investigate possible adverse effects of cannabis use on cognitive decline after 12 years in persons under age 65 years. This was a follow-up study of a probability sample of the adult household residents of East Baltimore. The analyses included 1,318 participants in the Baltimore, Maryland, portion of the Epidemiologic Catchment Area study who completed the Mini-Mental State Examination (MMSE) during three study waves in 1981,1982, and 1993-1996. Individual MMSE score differences between waves 2 and 3 were calculated for each study participant. After 12 years, study participants'scores declined a mean of 1.20 points on the MMSE (standard deviation 1.90), with 66% having scores that declined by at least one point. Significant numbers of scores declined by three points or more (15% of participants in the 18-29 age group). There were no significant differences in cognitive decline between heavy users, light users, and nonusers of cannabis. There were also no male-female differences in cognitive decline in relation to cannabis use. The authors conclude that over long time periods, in persons under age 65 years, cognitive decline occurs in all age groups. This decline is closely associated with aging and educational level but does not appear to be associated with cannabis use. |
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