Women's breasts 'eat' themselves after they finish breastfeeding: Discovery may shed light on the causes of cancer
Scientists have identified the molecular switch that causes women's breasts to stop producing milk when they stop breastfeeding.
Once lactation is complete, cells in the breasts devour dead cells that are left over from the breastfeeding process.
Scientists had previously been baffled about how breasts could rapidly transform from milk-making machines back to their natural state in a matter of days.
HOW THE STUDY WORKED Researchers set out to investigate whether a protein called Rac1, which is known to be a vital element of milk production, is responsible for the post-breastfeeding... read more
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