大麻の使用は,若い成人期における心理的および機能的幸福度の変化と関連している:自己報告と髪の分析からの証拠

Lydia Johnson-Ferguson^1,2, Michelle Loher¹, Laura Bechtiger¹

¹Jacobs Center for Productive Youth Development, https://ror.org/02crff812University of Zurich, Zurich, Switzerland.

Psychological medicine

|August 26, 2025

まとめ

大麻の頻繁な使用は,精神的健康と福祉の悪化と関連しています. 精神病のような経験が多くなり症状が内在し攻撃的になり幸福感が低下します

科学分野:

精神科
依存症医学
発達心理学

背景:

大麻の使用は若い成人の間で一般的です.
大麻の使用が精神病理学と福祉に及ぼす長期的影響を調査する研究はほとんどありません.
この研究では,自己報告された頻度と客観的な髪のTHC濃度の両方を利用して大麻の曝露を評価しています.

研究の目的:

若年成人における大麻使用と,その後の精神病理学的変化と機能的幸福度の間の予測的関係を調査する.
これらの変化を予測する際に,自己報告された大麻使用と客観的なヘアデルタ-9-テトラヒドロカンナビノール (THC) 濃度の有用性を比較する.
大麻への曝露と精神病的な経験,薬物使用,内在的な症状,攻撃性,一般的な幸福,雇用/教育状態などの結果との関連を分析する.

主な方法:

20歳と24歳の若い成人の863人のコミュニティサンプルが評価されました.
大麻の使用は,自己報告の頻度とTHC/カンナビノール (CBN) 濃度によって実行されました.
統計的分析には,複数の線形およびロギット回帰モデルが含まれており,ベースラインの特徴と結果を制御しました.

主要な成果:

自ら報告した大麻使用と髪のTHC濃度の両方が有害な結果を予測しました.
観察された否定的な変化には,精神病のような経験の増加,内在的な症状,攻撃性,問題のある薬物使用が含まれています.
一般的な幸福度は低下し,就職や教育や訓練を受けていない可能性は増加しました.
組み合わせた被曝スコアは個々の測定値よりも予測力を発揮できませんでした.

結論:

大麻の頻繁な使用は,精神病学的結果の有害な変化と関連しています.
大麻の使用が自己報告または髪の分析によって測定されたかどうかにかかわらず,これらの有害な影響は一貫していました.
精神的健康と機能的経路に対する定期的な大麻の影響を強調しています.

キーワード:

THC についてカナビス機能的幸福度髪の毛精神病学について幼い成人期

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