Why your blood should flow like ketchup

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Sean Farrington |

TEDxWilmington

• April 2025

Your blood should have more in common with ketchup than just color, says chemical engineer Sean Farrington. Demonstrating the flow of everyday products like shampoo, peanut butter and ketchup, he makes the case for expanding the use of blood viscosity as a medical diagnostic, much like blood pressure. Learn more about the little-known field of rheology and how it could save lives — if taken seriously.