遗传学。注意缺陷多动障碍可能在家族中遗传，研究显示也可能与基因有关。
成年に達した者を成年者（せいねんしゃ）または成人（せいじん）といい、未成年者はこれと対する概念である。一般に大人というと成年者などを指すことが多�?
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尽管注意缺陷多动障碍的确切病因不明，研究仍在继续。导致注意缺陷多动障碍病发的因素可能包括：
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