What was the last time you noticed goosebumps on your skin? Perhaps you recalled a spine-tingling memory of the past, stumbled upon a hair-raising quote on the internet, or maybe you were just feeling a bit chilly.
Goosebumps are a universal human experience, whether triggered by pleasurable arousal from nostalgic music or sudden fear of a potential threat.
Even a single ice pack pressed against a single part of your body is enough to trigger a response across your entire skin, according to independent researcher Jonathon McPhetres, who has published several papers on piloerection.