- Many people face everyday discrimination and unfair treatment from others.
- Researchers found a link between this behavior and health outcomes.
- They studied older adults in the United States for the project.
- People answered questions and gave blood samples to researchers.
- The team looked at T cells and B cells in blood.
- People with more discrimination had more tired immune cells.
- Tired cells do not fight infections very well.
- The researchers say more studies and work are needed.
Difficult words
- discrimination — unfair treatment of people by others
- researcher — a person who studies a topic or questionResearchers
- immune — related to the body system that fights germs
- infection — a disease made by germs in the bodyinfections
- T cell — a type of white blood cell that fights germsT cells
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Have you ever been treated unfairly?
- Would you give a blood sample for a study?
- Do you think health research is important?
Related articles
Hot, humid pregnancy harms child growth more than heat alone
New research in Science Advances shows that hot, humid conditions during pregnancy damage child growth far more than high temperature by itself. The study used a combined metric (WBGT) in South Asia and found much larger prenatal risks when humidity is included.
How to protect children from ticks and Lyme disease
As children spend more time outside in warm months, tiny deer ticks can spread Lyme disease. Parents should use prevention steps: showering, nightly checks, repellents, treated clothing, and quick medical care for rashes or symptoms.
Farming, breast milk and fewer food allergies
Researchers compared infants from Old Order Mennonite farm families and urban families in New York. Farm-exposed babies showed earlier immune maturation and higher antibodies, and breast milk antibody patterns were linked to lower egg allergy risk.