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Volume 66, Issue 9
Intelligence across childhood in relation to illegal drug use in adulthood: 1970 British Cohort Study
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Intelligence across childhood in relation to illegal drug use in adulthood: 1970 British Cohort Study
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Oct 2011
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Nov 2011
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379
Dec 2011
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73
81
Jan 2012
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26
29
Feb 2012
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Mar 2012
591
14
23
Apr 2012
514
13
18
May 2012
496
11
11
Jun 2012
625
10
4
Jul 2012
420
7
3
Aug 2012
1452
39
40
Sep 2012
734
18
24
Oct 2012
716
23
21
Nov 2012
747
40
30
Dec 2012
508
26
18
Jan 2013
452
10
21
Feb 2013
534
30
18
Mar 2013
1368
18
10
Apr 2013
452
15
5
May 2013
456
10
17
Jun 2013
283
7
6
Jul 2013
272
6
13
Aug 2013
201
3
9
Sep 2013
738
17
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Oct 2013
411
9
8
Nov 2013
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22
Dec 2013
664
16
13
Jan 2014
362
9
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Feb 2014
325
10
9
Mar 2014
497
13
12
Apr 2014
639
7
11
May 2014
1050
19
17
Jun 2014
702
9
5
Jul 2014
294
5
8
Aug 2014
282
1
4
Sep 2014
294
8
6
Oct 2014
486
7
5
Nov 2014
421
9
8
Dec 2014
293
3
4
Jan 2015
1975
9
9
Feb 2015
1258
12
6
Mar 2015
1288
9
13
Apr 2015
409
8
4
May 2015
449
1
4
Jun 2015
496
5
5
Jul 2015
472
4
5
Aug 2015
523
7
5
Sep 2015
373
3
7
Oct 2015
323
3
1
Nov 2015
610
3
8
Dec 2015
387
5
8
Jan 2016
425
13
5
Feb 2016
315
1
8
Mar 2016
339
1
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Apr 2016
416
3
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May 2016
342
6
9
Jun 2016
310
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1
Jul 2016
320
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2
Aug 2016
421
7
3
Sep 2016
657
6
3
Oct 2016
911
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12
Nov 2016
729
6
7
Dec 2016
585
4
2
Jan 2017
586
1
20
Feb 2017
580
8
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Mar 2017
683
29
7
Apr 2017
375
22
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May 2017
401
10
1
Jun 2017
359
14
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Jul 2017
642
8
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Aug 2017
570
5
2
Sep 2017
999
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3
Oct 2017
807
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3
Nov 2017
843
9
2
Dec 2017
685
12
1
Jan 2018
780
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10
Feb 2018
998
27
8
Mar 2018
844
48
9
Apr 2018
659
30
7
May 2018
791
31
10
Jun 2018
555
2
0
Jul 2018
594
7
2
Aug 2018
606
6
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Sep 2018
628
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5
Oct 2018
726
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7
Nov 2018
735
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Dec 2018
5859
99
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Jan 2019
579
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Feb 2019
443
14
7
Mar 2019
550
11
9
Apr 2019
547
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May 2019
494
7
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Jun 2019
416
12
3
Jul 2019
506
16
8
Aug 2019
444
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2
Sep 2019
354
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0
Oct 2019
353
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4
Nov 2019
344
6
5
Dec 2019
427
8
3
Jan 2020
433
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1
Feb 2020
404
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Mar 2020
496
5
1
Apr 2020
384
9
7
May 2020
359
8
4
Jun 2020
334
5
2
Jul 2020
316
2
0
Aug 2020
511
9
2
Sep 2020
442
10
3
Oct 2020
461
7
1
Nov 2020
491
7
2
Dec 2020
505
5
1
Jan 2021
387
4
1
Feb 2021
480
8
6
Mar 2021
454
1
2
Apr 2021
509
12
5
May 2021
378
5
5
Jun 2021
142
11
5
Jul 2021
126
2
1
Aug 2021
140
1
3
Sep 2021
224
6
4
Oct 2021
366
5
6
Nov 2021
401
16
1
Dec 2021
337
12
1
Jan 2022
424
7
1
Feb 2022
415
8
2
Mar 2022
519
9
2
Apr 2022
430
4
2
May 2022
460
6
0
Jun 2022
413
5
4
Jul 2022
551
12
1
Aug 2022
424
5
1
Sep 2022
397
9
6
Oct 2022
1217
24
1
Nov 2022
463
14
3
Dec 2022
367
15
1
Jan 2023
411
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0
Feb 2023
405
3
2
Mar 2023
399
2
2
Apr 2023
603
4
2
May 2023
497
4
0
Jun 2023
16870
127
2
Jul 2023
850
4
0
Aug 2023
454
11
5
Sep 2023
477
5
3
Oct 2023
572
11
4
Nov 2023
883
13
3
Dec 2023
405
8
1
Jan 2024
371
12
0
Feb 2024
355
1
0
Mar 2024
407
11
0
Apr 2024
409
4
4
May 2024
463
16
6
Jun 2024
306
4
0
Jul 2024
357
5
1
Aug 2024
552
6
0
Sep 2024
395
2
0
Total
118510
2083
1415
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