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William Aird: Did You Know All Blood-Feeding Organisms Carry Anticoagulants to Keep a Meal Liquid?
William Aird/LinkedIn
Sep 30, 2025, 15:41

William Aird: Did You Know All Blood-Feeding Organisms Carry Anticoagulants to Keep a Meal Liquid?

William Aird, Professor of Medicine at Harvard Medical School, posted on X:

“1/2

NATURE’S LAB MANUAL

Did you know all blood-feeding organisms carry anticoagulants to keep a meal liquid?

Nature’s experiment shows every clotting factor has been targeted, except FXII, underscoring its lack of function in vivo hemostasis.

2/2

A beautiful experiment of nature, revealing which clotting factors really matter for human health and disease.”

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clotting factors Harvard Medical School Health Hematology Hemostasis Hemostasis Today Medicine Nature’s Lab Manual William Aird
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