Goosebumps After a Hot Flash: Just The Footprint of Our Ancestors On Our Skin

Vestigium is the Latin word for footprint, and the origin of the word for vestigial. Goosebumps on our skin are actual an ancient remnant of our evolutionary tree. Humans, like all of life, retain organs and behaviors that had use in our ancestors. One such footprint of our ancestors is on our skin. And the next time excitement or a hot flash, or actually being cold excites goose bumps you are displaying a vestigial behavior. The muscular contraction that makes a goose bump was used to make hair stand up in tufts to scare off predators. We can't flash plumes or actually visibly poof out our hair, but there is the skin response none the less!


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