ELI5: Explain Like I'm 5

Chemesthesis

Chemesthesis is a fancy word that describes how some foods and spices make your mouth feel weird or tingly. It's kind of like a little party in your mouth!

You know that feeling you get when you eat something extra spicy like a hot pepper or wasabi? Or how about the tingle you feel when you suck on a peppermint or chew on a piece of ginger? Those are all examples of chemesthesis.

When you eat or drink something that triggers chemesthesis, it can activate the same nerves in your mouth that detect pain, temperature, and touch. That's why it can feel a little bit like your mouth is on fire or freezing cold or being tickled.

Some people really love the sensation of chemesthesis and seek it out by eating spicy or flavorful foods. Others can't stand it and avoid those same foods like the plague. It all depends on how your taste buds and nerves react to different flavors and sensations.

So, next time you bite into a jalapeño popper, think of it as a mini-explosion of chemesthesis in your mouth!