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Rats with higher stress levels use cannabis more (Level A1) — a mouse sitting on top of a wooden table

Rats with higher stress levels use cannabis moreCEFR A1

30 Dec 2025

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Adapted from Washington State, Futurity • CC BY 4.0

Photo by Matthew Mejia, Unsplash

Level A1 – Beginner
1 min
46 words
  • Rats were in a laboratory study.
  • The study gave rats cannabis vapor.
  • Each rat could get vapor by poking.
  • Research students counted the pokes.
  • Some rats made many pokes.
  • Those rats had higher stress levels.
  • Other rats made few pokes.
  • Scientists think stress links to use.

Difficult words

  • laboratory — a room where scientists do tests
  • cannabis — a plant used to make some drugs
  • vapor — tiny drops or gas in the air
  • poke — a quick touch or push
    pokes
  • stress — a feeling of worry or pressure
  • scientist — a person who studies science
    Scientists

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Have you ever felt stress?
  • Would you poke to get a reward?
  • Who would count pokes in a study near you?

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