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Regardless of your cup size, the movement of your breasts during running (7-20cm!) stretches the Cooper’s ligaments, which are their primary supporting structures and damage to them is irreversible.
Here’s an informative video to enlighten you:
All women should wear a sports bra to minimise any damage and make their running regime as comfortable as possible. Love your boobies ladies! They need extra care, too!
Do you have a favourite sports bra?
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Tell us in the comments!