Eli5: can my boobs get floppy from running without bra?
In: Biology
Not an expert on this topic. Skin is a wonderful stretchy elastic material. Running braless won’t sag your boobs immediately but there is a limit to this. I think over time unsupported breasts will sag more than supported breasts.
Every material in the world changes shape permanently when a load it’s applied long enough. A metal spring under compression won’t decompress back to its original size and a rubber band will elongate permanently if you hang a weight from it for long enough. I don’t know why skin would be different.
I don’t know if running which will stretch and relax your skin over and over again increases sag. There ours very little research on this topic. But materials other than skin show this effect. It’s called “creep.” Google “creep deformation”
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