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Study of Lead in Hair Shows Big Decline Since 1970s (Level A1) — A metal pole with a colorful "funk" sticker.

Study of Lead in Hair Shows Big Decline Since 1970sCEFR A1

10 Feb 2026

LevelA1
A2
B1
B2

Adapted from Brian Maffly - U. Utah, Futurity • CC BY 4.0

Photo by Marija Zaric, Unsplash

Level A1 – Beginner
2 min
83 words
  • Lead is dangerous and harms children's growth and health.
  • It builds up and stays in human tissue for years.
  • Researchers studied human hair from long ago and today.
  • They used samples from one region near Utah cities.
  • Some hair came from family scrapbooks saved long ago.
  • Hair can keep lead on its surface for years.
  • Scientists tested single hairs to find lead.
  • Tests show big drops after 1970s rules.
  • Those rules reduced lead in the environment.
  • The change helps protect children's health now.

Difficult words

  • lead — A heavy metal that can make people sick
  • tissue — Parts inside the body such as skin and muscle
  • researcher — A person who studies and tests things
    Researchers
  • sample — A small piece taken for study or test
    samples
  • surface — The outside part of something like hair
  • environment — The air, land, and water around people

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

Discussion questions

  • Do you have old family scrapbooks?
  • Do you think rules about lead help children?
  • Have you seen hair used in a science test?

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