Bipolar disorder may appear to be a problem other than mental illness-for instance, alcohol or drug abuse, poor school or work performance, or strained interpersonal relationships.

双向情感障碍会显得像个问题而不是精神疾病——例如，酒精或药物滥用，较差的学校或工作表现或紧张的人际关系。

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Drug or alcohol abuse can also be a form of abuse.

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The NSPCC says hundreds of babies in Wales could be living in families where at least one parent suffers from mental health issues, drug or alcohol abuse.

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In a written request for Mr Walker Lindh's release, defence lawyers said their client had no previous criminal record, no record of drug or alcohol abuse and no history of violent or dangerous conduct.

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