Why Do Some People Have a Stronger Sense of Smell Than Others?

Imagine your nose is like a detective that catches clues from the air. Some people have more detectives, and better ones, which means they can find smells faster and clearer than others. This happens because of something called genes, which help make our sense of smell strong or weak.

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Examples

Your friend can taste the chocolate cake from across the room, you barely notice it.
You might not smell the perfume your mom wears, but your sister does.
Your brother can tell when his favorite pizza is ready by just sniffing the air.

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Categories: Biology · smell,olfaction,genetics