Are IQ and educational outcomes in teenagers related to their cannabis use? A prospective cohort study

Journal of Psychopharmacology

Volumn 30, Issue 2, 2016, Pages 159-168

  Mokrysz, C ^a   Landy, R ^b   Gage, S H ^c   Munafo M R ^c   Roiser, J P ^d   Curran, H V ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b QUEEN MARY UNIVERSITY OF LONDON   (United Kingdom)

^c UNIVERSITY OF BRISTOL   (United Kingdom)

^d UNIVERSITY COLLEGE LONDON   (United Kingdom)

Author keywords

ALSPAC; Cannabis; cigarettes; education; IQ

Indexed keywords

ACADEMIC ACHIEVEMENT; ADOLESCENT; ALCOHOL CONSUMPTION; ARTICLE; CANNABIS USE; CHILD; COHORT ANALYSIS; FEMALE; HUMAN; INTELLIGENCE QUOTIENT; MALE; MENTAL HEALTH; PRIORITY JOURNAL; PROBLEM BEHAVIOR; PROSPECTIVE STUDY; SCHOOL CHILD; SMOKING; ADVERSE EFFECTS; CANNABIS SMOKING; EDUCATIONAL STATUS; EPIDEMIOLOGY; INTELLIGENCE; LONGITUDINAL STUDY; STATISTICAL MODEL;

ADOLESCENT; COHORT STUDIES; EDUCATIONAL STATUS; FEMALE; HUMANS; INTELLIGENCE; LINEAR MODELS; LONGITUDINAL STUDIES; MALE; MARIJUANA SMOKING; PROSPECTIVE STUDIES; SMOKING;

EID: 84955473944     PISSN: 02698811     EISSN: 14617285     Source Type: Journal    
DOI: 10.1177/0269881115622241     Document Type: Article

References (55)

1. Angold AD, Costello EJ, Messer SC, (1995) Development of a short questionnaire for use in epidemiological studies of depression in children and adolescents. Int J Meth Psychiatric Res 5: 237-249.
2. Axelrod BN, (2002) Validity of the Wechsler Abbreviated Scale of Intelligence and other very short forms of estimating intellectual functioning. Assessment 9: 17-23.
3. Boyd A, Golding J, Macleod J, et al. (2013) Cohort profile: the 'children of the 90s'-the index offspring of the Avon Longitudinal Study of Parents and Children. Int J Epidemiol 42: 111-127.
4. Chamberlain SR, Odlaug BL, Schreiber L, et al. (2012) Association between tobacco smoking and cognitive functioning in young adults. Am J Addict 21: S14-S19.
5. Chen K, Kandel DB, (1995) The natural history of drug use from adolescence to the mid-thirties in a general population sample. Am J Public Health 85: 41-47.
6. Crane NA, Schuster RM, Fusar-Poli P, et al. (2013) Effects of cannabis on neurocognitive functioning: recent advances, neurodevelopmental influences, and sex differences. Neuropsychol Rev 23: 117-137.
7. Crean RD, Crane NA, Mason BJ, (2011) An evidence based review of acute and long-term effects of cannabis use on executive cognitive functions. J Addict Med 5: 1.
8. Crisp AH, Jones MG, Slater P, (1978) The middlesex hospital questionnaire: a validity study. Brit J Med Psychol 51: 269-280.
9. 9-tetrahydrocannabinol (THC) in infrequent cannabis users. Psychopharmacology 164: 61-70.
10. Degenhardt L, Hall W, Lynskey M, (2003) Exploring the association between cannabis use and depression. Addiction 98: 1493-1504.
11. Fergusson DM, Horwood L, (1997) Early onset cannabis use and psychosocial adjustment in young adults. Addiction 92: 279-296.
12. Fergusson DM, Horwood LJ, (2000) Does cannabis use encourage other forms of illicit drug use? Addiction 95: 505-520.
13. Fergusson DM, Boden JM, Horwood LJ, (2006) Cannabis use and other illicit drug use: testing the cannabis gateway hypothesis. Addiction 101: 556-569.
14. Fergusson DM, Horwood LJ, Beautrais AL, (2003) Cannabis and educational achievement. Addiction 98: 1681-1692.
15. Fergusson DM, Horwood LJ, Lawton J, (1990) Vulnerability to childhood problems and family social background. J Child Psychol Psychiatry 31: 1145-1160.
16. Freeman TP, Morgan CJ, Hindocha C, et al. (2014) Just say 'know': how do cannabinoid concentrations influence users' estimates of cannabis potency and the amount they roll in joints? Addiction 109: 1686-1694.
17. Fried P, Watkinson B, Gray R, (2005) Neurocognitive consequences of marihuana-a comparison with pre-drug performance. Neurotoxicol Teratol 27: 231-239.
18. Gage SH, Hickman M, Heron J, et al. (2014) Associations of cannabis and cigarette use with psychotic experiences at age 18: findings from the Avon Longitudinal Study of Parents and Children. Psychol Med 44: 3435-3444.
19. Gonzalez R, (2007) Acute and non-acute effects of cannabis on brain functioning and neuropsychological performance. Neuropsychol Rev 17: 347-361.
20. Goodman R, (1997) The strengths and difficulties questionnaire: a research note. J Child Psychol Psychiatry 38: 581-586.
21. Grant I, Gonzalez R, Carey CL, et al. (2003) Non-acute (residual) neurocognitive effects of cannabis use: a meta-analytic study. J Int Neuropsychol Soc 9: 679-689.
22. Grant JD, Scherrer JF, Lynskey MT, et al. (2012) Associations of alcohol, nicotine, cannabis, and drug use/dependence with educational attainment: evidence from cotwin-control analyses. Alcohol Clin Exp Res 36: 1412-1420.
23. Heishman SJ, Kleykamp BA, Singleton EG, (2010) Meta-analysis of the acute effects of nicotine and smoking on human performance. Psychopharmacology 210: 453-469.
24. Heron J, Barker ED, Joinson C, et al. (2013) Childhood conduct disorder trajectories, prior risk factors and cannabis use at age 16: birth cohort study. Addiction 108: 2129-2138.
25. Hibell B, Guttormsson U, Ahlström S, et al. (2012) The 2011 ESPAD Report. Substance Use Among Students in 36 European Countries. Lisbon: The European School Survey Project on Alcohol and Other Drugs.
26. Hindocha C, Shaban ND, Freeman TP, et al. (2015) Associations between cigarette smoking and cannabis dependence: a longitudinal study of young cannabis users in the United Kingdom. Drug Alcohol Depend 148: 165-171.
27. Hooper SR, Woolley D, De Bellis MD, (2014) Intellectual, neurocognitive, and academic achievement in abstinent adolescents with cannabis use disorder. Psychopharmacology 231: 1467-1477.
28. Lynskey MT, Coffey C, Degenhardt L, et al. (2003) A longitudinal study of the effects of adolescent cannabis use on high school completion. Addiction 98: 685-692.
29. Lynskey MT, Fergusson DM, (1995) Childhood conduct problems, attention deficit behaviors, and adolescent alcohol, tobacco, and illicit drug use. J Abnorm Child Psychol 23: 281-302.
30. Lynskey MT, Hall W, (2000) The effects of adolescent cannabis use on educational attainment: a review. Addiction 95: 1621-1630.
31. McCaffrey DF, Liccardo Pacula R, Han B, et al. (2010) Marijuana use and high school dropout: the influence of unobservables. Health Econ 19: 1281-1299.
32. Miech RA, Johnston LD, O'Malley PM, et al. (2015) Monitoring the Future National Survey Results on Drug Use, 1975-2014: Volume I, Secondary School Students. Ann Arbor, MI: Institute for Social Research, University of Michigan.
33. Meier MH, Caspi A, Ambler A, et al. (2012) Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A 109: E2657-E2664.
34. National Institute on Drug Abuse (2015) NIH launches landmark study on substance use and adolescent brain development. Available at: www.drugabuse.gov/news-events/news-releases/2015/09/nih-launches-landmark-study-substance-use-adolescent-brain-development (. accessed 23 October 2015).
35. Patton GC, Coffey C, Carlin JB, et al. (2002) Cannabis use and mental health in young people: cohort study. BMJ 325: 1195-1198.
36. Patton GC, Coffey C, Carlin JB, et al. (2005) Reverse gateways? Frequent cannabis use as a predictor of tobacco initiation and nicotine dependence. Addiction 100: 1518-1525.
37. Pope HG Jr, Gruber AJ, Hudson JI, et al. (2003) Early-onset cannabis use and cognitive deficits: what is the nature of the association? Drug Alcohol Depend 69: 303-310.
38. Ranganathan M, D'Souza DC, (2006) The acute effects of cannabinoids on memory in humans: a review. Psychopharmacology 188: 425-444.
39. Rob M, Reynolds I, Finlayson PF, (1990) Adolescent marijuana use: risk factors and implications. Aust N Z J Psychiatry 24: 47-56.
40. Rogeberg O, (2013) Correlations between cannabis use and IQ change in the Dunedin cohort are consistent with confounding from socioeconomic status. Proc Natl Acad Sci U S A 110: 4251-4254.
41. Schreiner AM, Dunn ME, (2012) Residual effects of cannabis use on neurocognitive performance after prolonged abstinence: a meta-analysis. Exper Clin Psychopharmacol 20: 420.
42. Schuster RM, Crane NA, Mermelstein R, et al. (2015) Tobacco may mask poorer episodic memory among young adult cannabis users. Neuropsychology 29: 759-766
43. Shedler J, Block J, (1990) Adolescent drug use and psychological health: a longitudinal inquiry. Am Psychol 45: 612.
44. Silins E, Horwood LJ, Patton GC, et al. (2014) Young adult sequelae of adolescent cannabis use: an integrative analysis. Lancet Psychiatry 1: 286-293.
45. Stiby AI, Hickman M, Munafò MR, et al. (2014) Adolescent cannabis and tobacco use and educational outcomes at age 16: birth cohort study. Addiction 110: 658-668.
46. Temple EC, Brown RF, Hine DW, (2011) The 'grass ceiling': limitations in the literature hinder our understanding of cannabis use and its consequences. Addiction 106: 238-244.
47. Van Buuren S, Boshuizen HC, Knook DL, (1999) Multiple imputation of missing blood pressure covariates in survival analysis. Stat Med 18: 681-694.
48. van der Pol P, Liebregts N, Brunt T, et al. (2014) Cross-sectional and prospective relation of cannabis potency, dosing and smoking behaviour with cannabis dependence: an ecological study. Addiction 109: 1101-1109.
49. Verweij KJ, Huizink AC, Agrawal A, et al. (2013) Is the relationship between early-onset cannabis use and educational attainment causal or due to common liability? Drug Alcohol Depend 133: 580-586.
50. von Sydow K, Lieb R, Pfister H, et al. (2002) What predicts incident use of cannabis and progression to abuse and dependence?: A 4-year prospective examination of risk factors in a community sample of adolescents and young adults. Drug Alcohol Depend 68: 49-64.
51. Wechsler D, (1999) Wechsler Abbreviated Scale of Intelligence. San Antonio, TX: Psychological Corporation.
52. Wechsler D, (1991) Manual for the Wechsler Intelligence Scale for Children. 3rd ed. (WISC-III). San Antonio, TX: Psychological Corporation.
53. Weiser M, Zarka S, Werbeloff N, et al. (2010) Cognitive test scores in male adolescent cigarette smokers compared to non-smokers: a population-based study. Addiction 105: 358-363.
54. Whalley LJ, Fox HC, Deary IJ, et al. (2005) Childhood IQ, smoking, and cognitive change from age 11 to 64 years. Addict Behav 30: 77-88.
55. Zammit S, Kounali D, Cannon M, Gunnell DD, Heron J, Jones PB, Lewis S, Sullivan S, Wolke D, Lewis G, (2013) Psychotic experiences and psychotic disorder at age 18 in relation to psychotic experiences at age 12 in a longitudinal, population-based cohort study. Am J Psychiatry 170: 742-750.