- 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 dataResearchers
- measure — to check or find the size or amountmeasured
- white blood cell — a cell in blood that helps fight infectionwhite blood cells
- depression — a mental illness with low mood and sadness
- symptom — a sign that shows a person is sicksymptoms
- 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?
Related articles
Many pesticides used in Latin America are banned in the EU
A study found that many active pesticide ingredients allowed on major crops in eight Latin American countries are banned or not authorised in the EU. The researchers examined public approval records up to December 2020 and warn of health risks.
Worry about police linked to heart risk in Black women
A US study of 422 Black women found that worry about police interactions—especially concern for their children—was associated with thicker carotid artery measurements, a marker of cardiovascular risk. The study shows correlation, not causation.
Traditional African Diet Reduces Inflammation
A trial in Tanzania found that a traditional plant-based African diet lowered inflammation within two weeks, while a short-term Western diet increased inflammation and weakened immune responses. The results matter for rising non-communicable diseases in Sub-Saharan Africa.