Pregnancy recruits killer T cells that may guard breasts against cancer for years

Australian researchers have discovered that pregnancy triggers the recruitment of killer T cells to breast tissue, which may provide long-term protection against cancer. These cells can remain in the tissue for years, potentially patrolling for abnormal cells.
Why it matters
This breakthrough could lead to new preventative therapies that mimic this natural immune response for women who have not been pregnant.
edited by Sadie Harley , reviewed by Andrew Zinin
The article reports on peer-reviewed medical research published in a scientific journal.
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