Your body is a superhero, but it gets tired when fighting new villains. Imagine you're at home playing with your favorite toys, that's like being in a familiar place. But if you suddenly go to a different city and meet new people who are carrying germs, it's like facing new enemies. Your body might not be ready for them right away, so you feel sick.
Examples
- A child on a plane sneezes near you, suddenly, you feel a little sick.
- After visiting a crowded market in another country, you get a sore throat.
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See also
- Why Do People Get Sick After Traveling?
- What causes allergies to develop and how do they impact the body?
- What causes allergies and why do some people develop them?
- Why Do Humans Get Sick on Planes?
- What are immune responses?