TIL "pruney fingers" are not caused by your skin swelling from absorbing water. They're actually caused by your nervous system constricting the blood vessels in the skin, causing them to shrink and the skin to fold over them. bbc.com Submitted by OverdriverJC t3_10y6pwt on February 9, 2023 at 9:26 PM in todayilearned 59 comments 604
Tex-Rob t1_j7wvzmt wrote on February 9, 2023 at 11:45 PM Hmmm. This seems like one of those BS TIL that isn't really totally true. If it's just a retraction, how come your skin sloughs off? Permalink −9−
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