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TED January 26, 2026

Why Your Blood Should Flow Like Ketchup | Sean Farrington | TED

Summary

The transcript explores rheology, the scientific study of material flow and deformation, through the lens of a PhD student's personal journey and passion for engineering with real-world medical applications. Using engaging demonstrations with everyday materials like peanut butter, shampoo, and ketchup, the speaker explains how rheology principles can be applied to understanding blood flow and potentially revolutionize cardiovascular disease diagnostics. The key practical takeaway is the urgent need to raise awareness about blood rheology as a critical medical diagnostic tool that could help detect heart conditions earlier and ultimately save lives by enabling more proactive medical interventions.

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