Proc Natl Acad Sci U S A October 2012 PMID 22927402

Persistent cannabis users show neuropsychological decline from childhood to midlife.

Madeline H Meier, Avshalom Caspi, Antony Ambler, HonaLee Harrington, Renate Houts, Richard S E Keefe, Kay McDonald, Aimee Ward, Richie Poulton, Terrie E Moffitt

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Mentions

838
Peak: 21 in Jun 2019
across 7 sources since Jan 2019

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1,294,982
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Total likes

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Jan 2019 – Dec 2025

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AI synopsis

What people are saying

The discussions highlight concerns about the cognitive effects of cannabis, with several posts mentioning specifics such as an average loss of 6 to 8 IQ points that persists even after quitting. Others comment on the study’s implication for adolescent users, emphasizing terms like 'brain damage' and 'neurotoxic effects.' The tone throughout is generally serious, underscoring the perceived need for preventative measures, which contributes to a strong sentiment about the research’s potential impact on public health discussions.

AgreementModerate agreement

A majority of discussions express a consensus regarding the negative effects of persistent cannabis use, though some posts challenge these findings.

InterestHigh interest

There is a high degree of interest in the research, as many participants cite specific studies and share related personal insights.

EngagementModerate engagement

While many discussions provide support or critique of the research, some users simply dismiss it, leading to a mixed depth of engagement.

ImpactHigh impact

Most users believe the findings of the study could significantly influence public perception and policy regarding cannabis use, particularly among adolescents.

Abstract in brief

  • Persistent cannabis use leads to noticeable neuropsychological decline from childhood to midlife, particularly among those who start using during adolescence.
  • The study followed a cohort from age 13 to 38, revealing that cognitive impairments were reported by both users and informants, even after accounting for education levels.
  • Cessation of cannabis use did not fully reverse the cognitive deficits, emphasizing the need for targeted prevention and policy measures aimed at adolescents.

Top posts

Most liked on X and Bluesky
Dr. Josef
@DrJosefWD · X

Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after quitting. The damage was most severe in those who started using cannabis as teenagers. https://t.co/Y3eWIrPPJE

Apr 1, 2025 · 60 likes · 5 shares · 12,861 followers View post →
峰 宗太郎
@minesoh · X

精神的に崩壊するとか

Jun 4, 2019 · 39 likes · 22 shares · 71,296 followers View post →
Alessandro Strumia
@AlessandroStru4 · X

Persistent cannabis users loose ≈6 IQ points https://t.co/YfWRHCzTcI

Oct 18, 2024 · 10 likes · 1 share · 3,242 followers View post →
Bartek Kabała
@KabalaBartek · X

Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the CoverPNAS Plus: Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/JcYHg2ruwy

Apr 6, 2019 · 10 likes · 5 shares · 1,193 followers View post →
m4rr45
@m4rr45 · X

@leandisy @raazure ta bom irmao https://t.co/hNkXqzzzSL e eu só queria que, genuinamente, quem falasse de medicina canabica tivesse noção real de ciência. Medicina Canábica NÃO é o que você acha, tem casos específicos e experimentais, e nem de perto é unanimidade na comunidade científica

Apr 10, 2025 · 9 likes · 10 followers View post →
The Mammoth Hunter
@happyselvan · X

According to Neurology Today (Oct 4 2012), smoking marijuana as a teen could lead to lower IQ as an adult according to a decades long study of more than 1000 New Zealanders. title:, “Persistent cannabis users show neuropsychological decline from childhood to midlife.

Jun 18, 2019 · 8 likes · 1 share · 4,946 followers View post →

All mentions

THC and Its Role in Addiction Mechanisms

THC, the primary psychoactive component of cannabis, affects the brain by activating CB1 receptors in the endocannabinoid system. This video discusses how chronic use leads to neuropsychological decline and tolerance…

Miki · Jan 29, 2025 93 views
Miszka
@miszka222 · X

@GreatR2030 @banaPete @deZeZed spadek IQ przy używaniu w młodym wieku: https://t.co/BkvsgyszSc Dwuktrotnie wyższe ryzyko raka płuc: https://t.co/RXVMSZZlDh 25% wieksze ryzyko chorób sercowo-naczyniowych przy codziennym używaniu: https://t.co/fFZe7ZyhHm

Sep 17, 2025 · 4 followers View post →
journey63
@journey6369 · X

@WeedDelux Ben non. Cest bien 8 points de QI. https://t.co/Hpv5AxxCfj

Aug 25, 2025 · 92 followers View post →
journey63
@journey6369 · X

@tilt66 @keuslefou @MHadrons @jiaiffert @PanneauMunicip1 Non 8 points https://t.co/Hpv5AxxCfj

Aug 25, 2025 · 92 followers View post →
Razi Ann Berry
@BerryRazi · X

@h25954 @MsBlaireWhite Brain Marijuana use causes an average 8-point IQ loss that does not recover after quitting. Meier MH, Caspi A, Ambler A, et al. Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A. 2012;109(40):E2657-E2664.

Aug 10, 2025 · 3 likes · 132,616 followers View post →
KappaRuga (ehem. Slappy)
@kapparuga.bsky.social · Bluesky

Selbstverständlich Persistent cannabis users show neuropsychological decline from childhood to midlife | PNAS www.pnas.org/doi/10.1073/...

Aug 6, 2025 · 1 like · 1 share View post →
手取り増やせ@議員と閣僚の給料を減らすor課税を増やせ
@yrMeAjFGPc57065 · X

@AAvs22 @NPA_KOHO 3、Meier, M. H., et al. (2012). タイトル: Persistent cannabis users show neuropsychological decline from childhood to midlife. DOI: 10.1073/pnas.1206820109

Jul 29, 2025 · 138 followers View post →
Conciencia Plena
@CPlenaLS · X

3/7 Efectos comunes del uso crónico: → Menor atención sostenida → Alteraciones en memoria de trabajo → Baja tolerancia a la frustración

Jul 18, 2025 · 13 followers View post →
François Booream
@BooraemFrancois · X

older lit but still decent; https://t.co/gIs5bDJSGX

Jun 22, 2025 · 728 followers View post →
Xandmouse
@Qiadvanced · X

@Jcauffen @SamBolsosim vc não aprendeu por causa da maconha, e talvez sem ela seu desempenho melhoraria ;) o uso frequente de maconha iniciado na adolescência esteve associado à redução do QI e prejuízos cognitivos persistentes, diz estudos. https://t.co/Kai645nVen

Jun 8, 2025 · 2 likes · 100 followers View post →
Tomás Zubiri
@Tomas_Zubiri · X

@hermittoday You think that, because you are dumb, because you smoke weed. https://t.co/Clhe41fIxG You don't really need a longitudinal double-blind trial to notice that weed makes you dumb, but there it goes.

Apr 29, 2025 · 1 like · 34 followers View post →
Joe Logan Talley
@JoeLoganTalley · X

@ClarkeMicah @YouTube +Cannabis smoking 'permanently lowers IQ' (Proceedings of the National Academy of Sciences) +Marijuana Use Linked to Increased Risk of Testicular Cancer That Tends to Strike Ages 20 to 35. (Fred Hutchinson Cancer Research Center) https://t.co/Y56zEj35K9. https://t.co/fIwwbfwDdw

Apr 18, 2025 · 4 likes · 2,366 followers View post →
m4rr45
@m4rr45 · X

@leandisy @raazure ta bom irmao https://t.co/hNkXqzzzSL e eu só queria que, genuinamente, quem falasse de medicina canabica tivesse noção real de ciência. Medicina Canábica NÃO é o que você acha, tem casos específicos e experimentais, e nem de perto é unanimidade na comunidade científica

Apr 10, 2025 · 9 likes · 10 followers View post →
Yvonne
@YBartolovic · X

RT @taperclinic: Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after q…

Apr 3, 2025 · 5 shares · 1,596 followers View post →
Juju J
@GentlmanMarcone · X

RT @taperclinic: Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after q…

Apr 3, 2025 · 5 shares · 342 followers View post →
Inimicus Ignorantiae
@LegalEzra · X

RT @taperclinic: Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after q…

Apr 3, 2025 · 5 shares · 3,527 followers View post →
Carl C. Papandrea, PsyD
@DrCarlPapandrea · X

Persistent cannabis users show neuropsychological decline from childhood to midlife | PNAS https://t.co/O4hNl4X3H9

Apr 2, 2025 · 1 like · 64 followers View post →
Antalyevi
@Akgandalfbenim · X

RT @taperclinic: Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after q…

Apr 2, 2025 · 5 shares · 229 followers View post →
ISMAIL
@iamaniku · X

RT @taperclinic: Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after q…

Apr 2, 2025 · 5 shares · 2,119 followers View post →
Dr. Josef
@DrJosefWD · X

Another study found that persistent cannabis use led to neuropsychological decline that did not fully reverse even after quitting. The damage was most severe in those who started using cannabis as teenagers. https://t.co/Y3eWIrPPJE

Apr 1, 2025 · 60 likes · 5 shares · 12,861 followers View post →
Sarafina
@Sarafina7707 · X

@libmentalillnes @PLegalization And here's another one. This little bit here discredits the study: "It is possible that differences in test performance between cannabis users and controls are attributable to premorbid rather than cannabis-induced deficits" https://t.co/2ntZiNDXxV

Feb 25, 2025 · 1,577 followers View post →
⚜ Noir Lys ⚜
@NoirLys77 · X

@tilt66 @RMCInfo https://t.co/nP4UJ9YMIp

Feb 17, 2025 · 3,933 followers View post →
Micaela
@SeikoItami · X

¿CÓMO EL THC INDUCE ADICCIÓN?

Jan 28, 2025 · 2 likes · 98 followers View post →
Boarisch gredt
@boarischgredt · X

@taytaytaey @dieser_ilse @Anna_Muenchen Hier auf die Schnelle mal ein Artikel: https://t.co/XMdFRZ2Xsy

Jan 15, 2025 · 1,459 followers View post →
Фанат Тоги
@moose_good · X

@liltimi5 @aviahate @Amanda_Cry_sis @ne_tank Если он будет курить, то он будет уничтожать свой мозг. Вот тебе 3 крупных работы, которые обнаружили: снижение когнитивных функций (1), изменение в префронтальной коре и гиппокампе (2) и снижение IQ (3) https://t.co/vOjRGAcoGv https://t.co/fMmMQ813fq https://t.co/NXixay9lKy

Dec 15, 2024 · 103 followers View post →
w ewert
@woewe59 · X

@IranemanAzadi @frank_tempel Das war von 2012 https://t.co/H8bFd30oLE und wurde damals schon kritisch beleuchtet, u.a. von Ole Rogeberg https://t.co/JCuTta5QrS

Dec 2, 2024 · 934 followers View post →
Derleder Philip
@derleder · X

La consommation de cannabis fait perdre des points du QI. Persistent cannabis users show neuropsychological decline from childhood to midlife - PMC https://t.co/Xf8lAZH2vV

Oct 19, 2024 · 1 like · 154 followers View post →
Prism
@PrismOfReality · X

RT @AlessandroStru4: Persistent cannabis users loose ≈6 IQ points https://t.co/YfWRHCzTcI

Oct 18, 2024 · 1 share · 843 followers View post →
Alessandro Strumia
@AlessandroStru4 · X

Persistent cannabis users loose ≈6 IQ points https://t.co/YfWRHCzTcI

Oct 18, 2024 · 10 likes · 1 share · 3,242 followers View post →
caroline bollinger
@carolinebolling · X

@waterlover_69 @Justin__NC @MattWalshBlog https://t.co/QXo883G4gi.

Sep 16, 2024 · 1,236 followers View post →
kingbutch
@kingbutch93 · X

@JValchamp @ArthurLannister @Kovda624 Mention spéciale: Sur le long terme le cannabis peut aussi diminuer les capacités cérébrales se reflétant notamment sur une baisse de QI. Ça explique certaines choses. https://t.co/fSH4m1HLfP

Aug 16, 2024 · 35 followers View post →
KFinn, MD
@CoDoc442 · X

@tomangell "Persistent cannabis use was associated with neuropsychological decline broadly across domains of functioning, even after control- ling for years of education. Informants also reported noticing more cognitive problems for persistent cannabis users." https://t.co/WxH2SQGxLN

Jun 27, 2024 · 4 likes · 1,279 followers View post →
CRUX Psychology
@cruxpsychology · X

(Meier et al., 2012) https://t.co/KTpkj3I7Y9 #mentalhealth #mentalhealthmatters #mentalhealthawareness #psychology #research #intelligent #cannabis

May 22, 2024 · 401 followers View post →
Celene Nightingale
@toasterlighting · X

@ApriiSR @Robert_AIZI https://t.co/uLMYwffgRD

May 19, 2024 · 1,682 followers View post →
Łukasz Kopczyk (Votum.NEWS)
@lukaszkopczyk · X

@BartekKorwin @_konliberal - Meier MH, Caspi A, Ambler A, et al. Persistent cannabis users show neuropsychological decline from childhood to midlife.

May 12, 2024 · 3,114 followers View post →
Cédric
@Mypumas · X

@ManlioArt @LCI En 2018 et 2019, des études montrent qu'une consommation régulière de cannabis chez l'adolescent induit une baisse irréversible pouvant atteindre six points de QI https://t.co/j2K6pCLNEE

May 7, 2024 · 111 followers View post →
Graeme Davidson
@gra_davidson · X

@HannahBerrelli It’s shocking the extent to which people defend it, when regular use is associated with a decline in cognitive function, especially if encountered earlier in life. For example… https://t.co/5W62JPZTAx I would add the increasing concerntration of thc is a big problem.

Apr 21, 2024 · 156 followers View post →
RandyDog 5G
@RandyDog616 · X

RT @RDrachenstern: @VonHeyden @ArminRohde Kiffen mach Dumm

Apr 17, 2024 · 1 share · 1,479 followers View post →
Reinhold Drachenstern
@RDrachenstern · X

@VonHeyden @ArminRohde Kiffen mach Dumm

Apr 16, 2024 · 8 likes · 1 share · 1,203 followers View post →
かをるくん
@caorucun · X

@SmE96gLtvY8609 @mememememto 大麻でIQ下がる根拠もありますよ https://t.co/w18KEETeXy その人達に何言っても不毛だよ 俺も絡まれたけど根拠見せても自分の都合悪い内容はスルーだからね 結局大麻容認派は自分達が吸いたいが最優先で都合良く解釈し無知な発言だらけ 低知能が多いからまともな判断も出来ないんだろうね https://t.co/Ay7Lt1Yj25

Apr 11, 2024 · 288 followers View post →
DrachenStern
@drachenstern58 · X

@MeineMe53821610 @BodenseePolitik @ThomasV94305869 1 Artikel der 2023 erstellt wurde & sich auf Studien aus dem Jahr 2012 & 2015 bezieht, tief für Cherrypicking gegraben

Apr 7, 2024 · 2 likes · 51 followers View post →
Simone Canelada
@SimoneCanelada · X

@aberamagremio @caiocezar420 https://t.co/tSgPEPsWqv

Mar 20, 2024 · 135 followers View post →
Choose Life, Reject Drugs
@Freedom_NoDrugs · X

RT @DrugPolicyAZ: https://t.co/Q2tNp0YFb7 https://t.co/JpMMaEvH0W

Feb 1, 2024 · 1 share · 651 followers View post →
ARDP
@DrugPolicyAZ · X

https://t.co/Q2tNp0YFb7 https://t.co/JpMMaEvH0W

Feb 1, 2024 · 1 share · 720 followers View post →
TheOutThereChannel
@TheOutThere2016 · X

RT @TheOutThere2016: @TeamYouTube this has been peered reviewed.. I said some drugs damage brain and some enhance it this again is not medi…

Jan 13, 2024 · 1 share · 2,972 followers View post →
TheOutThereChannel
@TheOutThere2016 · X

@TeamYouTube this has been peered reviewed.. I said some drugs damage brain and some enhance it this again is not medical advice but it should make you think https://t.co/ttB8E5ggod.

Jan 13, 2024 · 1 share · 2,972 followers View post →
Patrick Demers
@GaneshaDisciple · X

Persistent cannabis users show neuropsychological decline from childhood to midlife | PNAS https://t.co/qcpguxbTNF

Jan 11, 2024 · 113 followers View post →
tres letras DIO la D
@diovanoodles · X

@jxhnmcclain https://t.co/JunM58lKm9 https://t.co/vVY0lBEr70 https://t.co/QWv4BQIj54 https://t.co/n9zfe2Lq7N https://t.co/KyN3rDHMgF Solo esos sin entrar en los problemas cerebrovasculares, porqu3 obviamente existen y afectan el desarrollo y funcionamiento del cerebro.

Oct 21, 2023 · 184 followers View post →
͏ ͏ ͏ ͏͏ ͏ ͏ ͏͏ ͏ ͏ ͏͏ ͏ ͏ ͏
@insighteffect · X

Estudos também indicam uma redução no QI (6-8pts) associada ao uso da substância, que persiste mesmo após a cessação do consumo, além de representar um fator de risco para esquizofrenia - principalmente em homens. https://t.co/LEiDV2QApw https://t.co/vKSDY3inEg #psitwitter

Sep 4, 2023 · 1 like · 116 followers View post →
Frank Taeger
@Shiyanying · X

@Phyloroform @HassoSuliak @NZZ https://t.co/3daVWBNSks

Aug 28, 2023 · 1 like · 917 followers View post →
Mediocre Hack
@MediocreHack · X

@HampunKukka @SinakinB Löytyy toki tällainenkin tutkimus. https://t.co/DzcoTdtpVX

Jul 18, 2023 · 116 followers View post →
Essenzia
@Essenzialia · X

@dieghe78 @celestiaIgirI https://t.co/mjGLBxi3Ta

Jul 6, 2023 · 26 followers View post →
ron batagol
@medpregbatagol · X

Cannabis availability? 1. Recently-a NZ Study- persistent Cannabis use in adolescence-loss of an average of 6 to 8 IQ points in mid-adulthood. https://t.co/DRRE24IE95. 2.Use in pregnancy-Evidence of paediatric neurodevelopmental /deficit or delay-RANZCOG advice.

Jun 24, 2023 · 187 followers View post →
diego acosta
@diegofacostah · X

RT @asoneumocito142: Debes saber que los efectos de la marihuana en la atención, la memoria y el aprendizaje pueden durar mucho tiempo o in…

Jun 15, 2023 · 1 share · 26 followers View post →
ASONEUMOCITO
@asoneumocito142 · X

Debes saber que los efectos de la marihuana en la atención, la memoria y el aprendizaje pueden durar mucho tiempo o incluso ser permanentes (Persistent cannabis users show neuropsychological decline from childhood to midlife). Recuerda... mereces un respiro de vida #LaMataSiMata https://t.co/BXK65dhfk4

Jun 15, 2023 · 5 likes · 1 share · 1,525 followers View post →
Matan Arbel-Groissman
@ArbleMatan · X

@TalAloniRozen @martsianoavi במאמר שהתייחסתי אליו (אגב, ניו זילנד ולא אוסטרליה, לא שזה מאוד משנה) לא התייחסנו לעניין המגדר בכלל. אולי בגלל שהרוב המוחלט של המעשנים היו גברים ולכן לא היה להם יכולת להסיק מסקנות לגבי נשים. אני חופר לראות אם אני מוצא משהו אחר https://t.co/84Pya2QVJ0

Jun 15, 2023 · 3 likes · 6,910 followers View post →
AOC is a Nancy Pelosi Democrat
@deep_sea_blob · X

@ClownWorldAss @juanmescobar @charliekirk11 Meier, M.H., Caspi, A., Ambler, A., et al. (2012). Persistent cannabis users show neuropsychological decline from childhood to midlife. Proceedings of the National Academy of Sciences, 109(40), E2657-E2664. doi: 10.1073/pnas.1206820109

May 5, 2023 · 111 followers View post →
Prometheus
@PrometheusNRx · X

References: [1] https://t.co/5Mm6wEdt8n [2] https://t.co/omhAx0rFAd [3] https://t.co/sSrVHryo9t [4] https://t.co/KDU77u6jA1 [5] https://t.co/JeZ1OAeeGP

Apr 21, 2023 · 2 likes · 967 followers View post →
vantum.eth
@vantumnoir · X

@Thrilla_dondada There's actually a study on that. Kids that smoke early in high school usually have problems later. https://t.co/tFpGkxtn8Y

Mar 23, 2023 · 1 like · 214 followers View post →
Da Don
@runitup42 · X

@BvsedDes97 @Notdojaaa https://t.co/0r6i2leBM2

Feb 15, 2023 · 1 like · 153 followers View post →
Markku Varjonen
@varjonenmarkku1 · X

@lauri_linden Kannattaa hieman lukea kirjallisuutta, ennen kuin alkaa tuollaista typeryyttä huudella. Tässä pari juttua… https://t.co/aFHBavhZOy https://t.co/Mjl1Yw2GuE

Jan 12, 2023 · 30 followers View post →
Keldran
@Keldran · X

@utopisterepenti @GVeridis @RomaneManageme1 @collectifPCP Quoique c'est montré que ça aide pas pour l'intelligence : https://t.co/7CEXMJwiAJ

Dec 12, 2022 View post →
Chirag Barjatya
@chiragbarjatyaa · X

370(23): p. 2219-27. 6.Meier, M.H., et al., Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A, 2012. 109(40): p. E2657-64.

Dec 8, 2022 · 6 likes · 96,753 followers View post →
THC y el Proceso Cognitivo
@thccognitivo · X

Encuentra más información en: https://t.co/tTZYZggoBz (3/3).

Nov 25, 2022 · 3 likes · 4 followers View post →
VP Guardian (V-P. K.)
@WoodyW00dlegger · X

@Samb931 Toinenkin löyty; https://t.co/wq60v2zwOx

Nov 20, 2022 · 1 like · 4,371 followers View post →
LeonGoudikian
@LeonGoudikian · X

@JohnFetterman https://t.co/kpewekE0Hd

Nov 7, 2022 · 684 followers View post →
Keczup Musztarda
@keczupakakeczup · X

@Atmi_2987 @KrzyczacyK1b1c @_0_0_4_ @LukaszBok https://t.co/rQKPUlNL8e Nie wolno krytykowac ziuuułka! wolne joshe

Oct 26, 2022 · 743 followers View post →
Keczup Musztarda
@keczupakakeczup · X

@KrzyczacyK1b1c @_0_0_4_ @LukaszBok https://t.co/rQKPUm5Umm A co do porównania alko vs zioło to nie mam - opieram się w tej materii na doświadczeniach własnych z innymi ludźmi.

Oct 26, 2022 · 2 likes · 743 followers View post →
Kev
@kevicss · X

@KarmaPolice50 @washingtonpost Maybe because I'm educated to facts? M. Filbey et al., “Long-term effects of marijuana use on the brain,” in Proc Natl Acad Sci U S A, vol. 111, H. Meier et al., “Persistent cannabis users show neuropsychological decline from childhood to midlife,” Proc Natl Acad Sci U S A,

Oct 10, 2022 · 282 followers View post →
Noel ☀️
@IStoneAlone420 · X

@e_l3el เคยทราบแล้วครับ มีผลต่อ IQ ในระยะยาวถ้าเริ่มใช้ในวัยรุ่น มีงานศึกษามาตั้งแต่ 2012 จากเคสที่ NZ แต่นั้นไม่ได้แปลว่า IQ จะลดลงเสมอหากเริ่มใช้ตอนเป็นผู้ใหญ่ แล้วคนที่ลองเสพย์กัญชาก็ไม่ใช่ว่าจะติดกัญชาทันที หรือ ทุกคนนะครับ https://t.co/7BjwsMB9C7

Sep 26, 2022 · 859 followers View post →
Bunker
@BunkerPm · X

@mattegeo @age_of_VIRGO @caria_peppe @marcofurfaro @matteosalvinimi Beh, a differenza dei consumatori di cannabis non me la cavo male. ''We found that more persistent cannabis users did show greater IQ decline, with the most persistent users (n = 41) losing an average of 5–6 IQ points from age 13 y to 38 y '' https://t.co/e2dCx5BeTN

Sep 1, 2022 · 144 followers View post →
PushFourLeft
@PushFourLeft · X

@CNN @ForecasterEnten https://t.co/NTa5JLXiNB

Aug 29, 2022 · 171 followers View post →
PushFourLeft
@PushFourLeft · X

@artis_dope @iskhabpal1 And treating your Alzheimers: https://t.co/NTa5JLXiNB

Aug 29, 2022 · 171 followers View post →
Dave Wilson
@davewilsonre · X

From the CoverPNAS Plus: Persistent cannabis users show neuropsychological decline from childhood to midlife - PMC https://t.co/e7D8Sc9soi

Aug 21, 2022 · 202 followers View post →
WB-ASAP
@AsapWb · X

RT @WarrenCoalition: A fact for #NMFW from @JohnnyKStack: FACT #2 – Adolescent marijuana use can cause a decrease in IQ https://t.co/shg7…

Jul 9, 2022 · 3 shares · 93 followers View post →
Gene A Cole
@popeye55211 · X

RT @WarrenCoalition: A fact for #NMFW from @JohnnyKStack: FACT #2 – Adolescent marijuana use can cause a decrease in IQ https://t.co/shg7…

Jul 9, 2022 · 3 shares · 117 followers View post →
Johnny's Ambassadors, Inc.
@JohnnyKStack · X

RT @WarrenCoalition: A fact for #NMFW from @JohnnyKStack: FACT #2 – Adolescent marijuana use can cause a decrease in IQ https://t.co/shg7…

Jul 8, 2022 · 3 shares · 1,399 followers View post →
Warren Coalition
@WarrenCoalition · X

A fact for #NMFW from @JohnnyKStack: FACT #2 – Adolescent marijuana use can cause a decrease in IQ https://t.co/shg7lXeneu https://t.co/fhZkr5H2W1

Jul 8, 2022 · 5 likes · 3 shares · 111 followers View post →
Hamblen County Substance Abuse Coalition
@HCSAC814 · X

Recent reports show that fewer adolescents believe that regular cannabis use is harmful to health. Concomitantly, adolescents are initiating cannabis use at younger ages. https://t.co/ZcwFc9obZw #johnnykstack #johnnysambassadors #JohnnyKStack https://t.co/XBGTrtRuOm

Jul 5, 2022 · 8 followers View post →
Jonathan Cab
@shadowcrewtroll · X

@YoSoyJimbooo @mattyglesias The Proceedings of the National Academy of Sciences isn't peer reviewed? https://t.co/0eDN3wUmm3

Jun 13, 2022 · 608 followers View post →
Liberal
@rodrigodaoli · X

RT @Costaball: @svgiachero Un estudio en Nueva Zelanda siguieron a 1.037 adolescentes de 13 años hasta que tuvieran 38 años. Descubrieron q…

Jun 3, 2022 · 1 share · 1,636 followers View post →
César Costa
@Costaball · X

@svgiachero Un estudio en Nueva Zelanda siguieron a 1.037 adolescentes de 13 años hasta que tuvieran 38 años. Descubrieron que consumo persistente de #Cannabis durante 20 años se asocio con deterioro neurocignitivo y más fuerte si consumo comienza en la adolescencia https://t.co/miync8VyUj

Jun 3, 2022 · 7 likes · 1 share · 1,365 followers View post →
PushFourLeft
@PushFourLeft · X

@PamKeithFL Yeah lets decriminalize cannabis: https://t.co/NTa5JLXiNB

Apr 29, 2022 · 171 followers View post →
Dr. Mauricio Leija
@MauricioLeija · X

El consumo persistente de cannabis se asocia a un deterioro neuropsicológico en adolescentes. En un estudio del 2012, el cese del consumo no restauró por completo el funcionamiento neuropsicológico entre los consumidores que iniciaron en la adolescencia. https://t.co/l7JhyvT5pm

Mar 11, 2022 · 4 likes · 1 share · 2,652 followers View post →
@drkalpana
@drkalpa54679357 · X

Persistent cannabis users show neuropsychological decline from childhood to midlife - PubMed https://t.co/nhJ64V12Rl

Mar 10, 2022 · 163 followers View post →
Our Place Drug & Alcohol Education Services Inc.
@OurPlaceInc1 · X

Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/uF6BRteLyR

Jul 21, 2021 · 64 followers View post →
blonk
@plsmurdar · X

@_I_d_u_n_ the wikipedia article lists one cohort study, doi:10.1073/pnas.1206820109 https://t.co/iFTriEhKGd

May 4, 2021 · 54 followers View post →
Leafoid
@Imperium_Dei · X

@HerbalTrad https://t.co/2idhzjQn2p

Dec 28, 2020 · 72 followers View post →
Andrew Soper
@AndrewSoper13 · X

@tstopford https://t.co/o5FPsPvFyS and neurological decline for those that persistently use from youth...no worries, it’s only your brain!?

Jul 15, 2020 · 1,220 followers View post →
Andrew Soper
@AndrewSoper13 · X

@tstopford @sgowsmith1988 @_chloeswarbrick how about this one Tadgh? https://t.co/o5FPsPvFyS decreased intelligence?? is that what NZ really needs? lol, the garden herb argument is not a great one, tobacco leaves? rosary peas? castor bean? there's plenty of dangerous plants out there that will kill you if you eat them..

Jul 15, 2020 · 1,220 followers View post →
Andrew Soper
@AndrewSoper13 · X

@brettcd @_chloeswarbrick @stpaulsauckland @Brettcd is this study ideologically driven? https://t.co/o5FPsPvFyS How about the NZ Medical association stating: “cannabis is a harmful drug both at individual and societal levels” and “opposes legalization”. Does the NZ medical association have alterior motives aside...

Jul 12, 2020 · 1,220 followers View post →
Andrew Soper
@AndrewSoper13 · X

@KayJayHarpur @nz_watch @_chloeswarbrick https://t.co/o5FPsPvFyS like this sort of science?

Jul 12, 2020 · 1,220 followers View post →
Andrew Soper
@AndrewSoper13 · X

@sgowsmith1988 @_chloeswarbrick https://t.co/o5FPsPvFyS or studies from Otago uni showing when people smoked from their teens this resulted in decreased intelligence? How about that sort of basis?

Jul 12, 2020 · 1,220 followers View post →
Andrew Soper
@AndrewSoper13 · X

2/2 like saying "lets have a lolly scramble! but none for you kiddies!" https://t.co/uBgJiayM7U https://t.co/o5FPsPvFyS

Jun 11, 2020 · 1,220 followers View post →
Bruce Waynejrv
@Bob_Stinson1234 · X

Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/gSoiU9Nqol

Mar 1, 2020 · 5,181 followers View post →
Christine Decker
@tumildeck · X

Recreational use just legalized here in IL...Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/lEIptNVUgi

Jan 9, 2020 · 58 followers View post →
Eddy
@triggerKim92 · X

@mosesokinyi You can look for this material by Meier MH, Caspi A, Ambler A, et al. Where its mentioned that Persistent cannabis users show neuropsychological decline from childhood to midlife.

Dec 28, 2019 · 1 like · 317 followers View post →
fallenangel_y_s
@fallenangel_y_s · X

RT @minesoh: 精神的に崩壊するとか

Dec 4, 2019 · 22 shares · 546 followers View post →
Empackong
@empackong · X

@LCP @Enthoven_R Persistent cannabis users show neuropsychological decline from childhood to midlife. Meier MH, et al. Proc Natl Acad Sci U S A. 2012. https://t.co/Lc5Y6PuRfF

Oct 25, 2019 · 2 likes · 39 followers View post →
主(ぬし)@なろう&ハーメルン
@k06ee1242000 · X

RT @minesoh: 精神的に崩壊するとか

Jul 22, 2019 · 22 shares · 6,537 followers View post →
Vincent Ricouleau
@ricouleauvincen · X

Débat sur les méfaits du cannabis / Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/MJOvzas56D

Jun 22, 2019 · 1,091 followers View post →
主(ぬし)@なろう&ハーメルン
@k06ee1242000 · X

RT @minesoh: 精神的に崩壊するとか

Jun 20, 2019 · 22 shares · 6,537 followers View post →
Arun / அருண்
@thamizhanpaari · X

RT @happyselvan: According to Neurology Today (Oct 4 2012), smoking marijuana as a teen could lead to lower IQ as an adult according to a d…

Jun 18, 2019 · 1 share · 44 followers View post →
The Mammoth Hunter
@happyselvan · X

According to Neurology Today (Oct 4 2012), smoking marijuana as a teen could lead to lower IQ as an adult according to a decades long study of more than 1000 New Zealanders. title:, “Persistent cannabis users show neuropsychological decline from childhood to midlife.

Jun 18, 2019 · 8 likes · 1 share · 4,946 followers View post →
Miguel Mendez
@mmendezenator · X

@sebastianvalen9 @AlbertoBernalLe @petrogustavo Un descenso de 8ptos en IQ. Meier MH, Caspi A, Ambler A, et al. Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A. 2012;109(40):E2657-E2664. doi:10.1073/pnas.1206820109.

Jun 11, 2019 · 152 followers View post →
パース
@Peirce39 · X

RT @minesoh: 精神的に崩壊するとか

Jun 7, 2019 · 22 shares · 434 followers View post →
みぅ
@miuSleeping · X

RT @minesoh: 精神的に崩壊するとか

Jun 7, 2019 · 22 shares · 1,591 followers View post →
主(ぬし)@なろう&ハーメルン
@k06ee1242000 · X

RT @minesoh: 精神的に崩壊するとか

Jun 6, 2019 · 22 shares · 6,537 followers View post →
アフリカ
@FateJun · X

RT @minesoh: 精神的に崩壊するとか

Jun 6, 2019 · 22 shares · 2,383 followers View post →
hakidameni
@doronokawa · X

RT @minesoh: 精神的に崩壊するとか

Jun 5, 2019 · 22 shares · 294 followers View post →
satono
@satono01 · X

RT @minesoh: 精神的に崩壊するとか

Jun 5, 2019 · 22 shares · 760 followers View post →
みその@ もう少し休養中
@Fairy_mi_so_n · X

RT @minesoh: 精神的に崩壊するとか

Jun 5, 2019 · 22 shares · 2,341 followers View post →
おこば
@KobaKobauro · X

RT @minesoh: 精神的に崩壊するとか

Jun 5, 2019 · 22 shares · 26,408 followers View post →
阮籍GK+
@GK03867211 · X

RT @minesoh: 精神的に崩壊するとか

Jun 5, 2019 · 22 shares · 100 followers View post →
主(ぬし)@なろう&ハーメルン
@k06ee1242000 · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 6,537 followers View post →
MISAO
@MMsoaring · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 2,057 followers View post →
しかのつかさ
@sikano_tu · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 11,292 followers View post →
森雪
@Premordia · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 1,760 followers View post →
MIZUNO Yoshiyuki 水野義之
@y_mizuno · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 16,026 followers View post →
あごひげ
@agohige3 · X

RT @minesoh: 精神的に崩壊するとか

Jun 4, 2019 · 22 shares · 51 followers View post →
峰 宗太郎
@minesoh · X

精神的に崩壊するとか

Jun 4, 2019 · 39 likes · 22 shares · 71,296 followers View post →
Jarosław Dzieszuk
@TW_konfident · X

RT @KabalaBartek: Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the Cover…

Apr 6, 2019 · 5 shares · 5,377 followers View post →
Paweł Raszkiewicz
@raszkiewicz1 · X

RT @KabalaBartek: Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the Cover…

Apr 6, 2019 · 5 shares · 407 followers View post →
Ćma
@AleksandraAnnaT · X

RT @KabalaBartek: Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the Cover…

Apr 6, 2019 · 5 shares · 4,186 followers View post →
Marta
@Marta92640677 · X

RT @KabalaBartek: Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the Cover…

Apr 6, 2019 · 5 shares · 20 followers View post →
Główny Inspektorat Sanitarny
@GIS_gov · X

RT @KabalaBartek: Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the Cover…

Apr 6, 2019 · 5 shares · 130,923 followers View post →
Bartek Kabała
@KabalaBartek · X

Regularne używanie marihuany powoduje znaczącą utratę IQ i ogólne osłabienie funkcji neuropsychicznych. From the CoverPNAS Plus: Persistent cannabis users show neuropsychological decline from childhood to midlife https://t.co/JcYHg2ruwy

Apr 6, 2019 · 10 likes · 5 shares · 1,193 followers View post →
SAVE YOUTH
@saveyouthfbca · X

Persistent cannabis users show neuropsychological decline from childhood to midlife. “Findings are suggestive of a neurotoxic effect of cannabis on the adolescent brain and highlight the importance of prevention and policy efforts targeting adolescents.” https://t.co/UBIIQ7wA8m

Feb 4, 2019 · 1 like · 1,701 followers View post →
Dr. Cuneyt Tegin
@cuneytteginmd · X

@akilliu Meier MH, Caspi A, Ambler A, et al. Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A. 2012;109(40):E2657-E2664. doi:10.1073/pnas.1206820109.

Jan 17, 2019 · 8,350 followers View post →
Lautaro Vergara
@VergaraLautaro · X

@JurgenGunther @FundacionDaya @juanseapi Y el problema es éste: "Recent reports show that fewer adolescents believe that regular cannabis use is harmful to health" Meier et al. Persistent cannabis users show neuropsychological decline from childhood to midlife. Proc Natl Acad Sci U S A. 2012;109(40):E2657-E2664.

Jan 3, 2019 · 8,256 followers View post →