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Blood cell aging linked to mood symptoms of depression (Level A1) — red and silver analog alarm clock

Blood cell aging linked to mood symptoms of depressionCEFR A1

11 May 2026

LevelA1
A2
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Adapted from Rachel Harrison-NYU, Futurity • CC BY 4.0

Photo by Tati Visual, Unsplash

Level A1 – Beginner
2 min
80 words
  • Researchers studied links between aging and depression.
  • They used blood tests from many women participants.
  • The tests measured aging in white blood cells.
  • One type of white blood cell was important.
  • Depression has mood symptoms and physical symptoms.
  • Mood symptoms include hopelessness and loss of pleasure.
  • Aging in these cells was linked to mood problems.
  • A different aging test did not show this link.
  • Scientists say more research is needed before tests.
  • The work may help diagnosis and treatment later.

Difficult words

  • researcher — a person who studies facts and data
    Researchers
  • measure — to check or find the size or amount
    measured
  • white blood cell — a cell in blood that helps fight infection
    white blood cells
  • depression — a mental illness with low mood and sadness
  • symptom — a sign that shows a person is sick
    symptoms
  • hopelessness — a feeling of no hope or very low hope
  • diagnosis — a doctor's decision about a person's illness

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

Discussion questions

  • Have you ever had a blood test?
  • Can you name a mood symptom from the article?
  • Would you like more research on this topic?

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