- Scientists study the human immune system.
- The body makes fewer cells with age.
- T cells fight viruses and bad cells.
- Researchers find a new method.
- They use tiny silicon wires.
- This helps fix tired cells.
- Treated cells become strong again.
- The treatment lasts for two weeks.
Difficult words
- immune system — The body part that fights bad things.
- researcher — A person who studies science and finds new things.Researchers
- method — A way of doing something.
- treatment — Medical help that makes sick or tired cells strong.
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Do you try to keep your body healthy?
- What do you do to feel strong?
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