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Experimental drug protects hearts in Duchenne muscular dystrophy (Level A1) — refill of liquid on tubes

Experimental drug protects hearts in Duchenne muscular dystrophyCEFR A1

17 Jul 2026

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Adapted from U. South Florida, Futurity • CC BY 4.0

Photo by Louis Reed, Unsplash

Level A1 – Beginner
2 min
70 words
  • People with Duchenne muscular dystrophy have weak muscles.
  • The heart often becomes weak and can fail later.
  • Researchers study ways to protect the heart.
  • They tested an experimental drug in animal models.
  • The drug helped the heart keep pumping blood.
  • It reduced scarring in the heart tissue.
  • Scientists found an enzyme called NOX4 may matter.
  • NOX4 could be a target for treatment.
  • Researchers hope to test the drug in patients.

Difficult words

  • enzyme — a protein in the body that causes reactions
  • scarring — hard or thick tissue after an injury
  • tissue — the material that makes up the heart
    heart tissue
  • experimental — new and not yet used by many people
  • protect — to keep safe from harm or damage

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

Discussion questions

  • Would you want a drug that helps the heart?
  • Do you think testing new drugs in animals is okay?
  • Do you worry about your own heart health?

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