Summary
This could help people stay sharp as they get older. 🧩
Key Points
3 points1
The vaccine is called Bacillus Calmette‑Guérin.
2
It is usually used to stop tuberculosis, a lung infection.
3
New research shows it may also help the brain fight memory problems.
New Words to Learn
4 wordsBacillus Calmette‑Guérin
A medicine that helps the body fight a disease called tuberculosis.
immune system
The body's army that fights germs.
central nervous system
The brain and spinal cord that control the body.
Alzheimer's disease
A condition that makes it hard to remember things as people get older.
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