https://www.sciencealert.com/what-is-interoception-and-what-does-it-have-to-do-with-our-wellbeing

Most people are familiar with the five senses (touch, sight, hearing, smell, and taste), but not everyone knows that we have an additional sense called interoception.

This is the sense of our body's internal state. It helps us feel and interpret internal signals that regulate vital functions in our body, like hunger, thirst, body temperature, and heart rate.

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