English to Spanish Other Law (general)

I'm not sure what term to use for "impairment" and "impaired" in the following context when it refers to impairment due to the use of drugs or alcohol.

8. the term “under the influence” for school purposes has a less strict meaning than it does under criminal law; for school purposes, the term means any level of impairment and includes even the odor of alcohol on the breath or person of a student; also, it includes being impaired by reason of the abuse of any material used as a stimulant);