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Wrinkled Fingers Might Be Your Body's Rain Treads

Pruny fingers, they're an unavoidable byproduct of a long bath or a turn washing the dishes. Though they may seem like little more than the puzzling cost of getting our hands wet, the phenomenon could actually be helping us keep a tight grip on those wine glasses. If you've never thought about it, consider that fingers and toes are the only parts of our bodies that wrinkle up (as a result of constricting blood vessels) when exposed to water for extended periods.
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