Incidents of heart attack and stroke, some fatal, in a small number of men taking the drug Viagra have remained a puzzle. After all, Viagra, commonly prescribed for erectile dysfunction, was ...

A lightning-fast microscope paired with AI now lets scientists watch platelets form clots in real time, all from a simple arm draw. The technique flagged higher platelet clumping in acute-symptom ...

Existing clot busters have one major drawback: They prevent heart attack by indiscriminately blocking platelet function, thereby increasing the risk of uncontrolled bleeding. Now, a research team led ...

As people age they become more prone to blood clotting diseases, which can be caused when blood platelets clump together. This clumping can lead to strokes and cardiovascular disease. For decades, ...

Researchers from the University of Tokyo have found a way to observe clotting activity in blood as it happens - without needing invasive procedures. Using a new type of microscope and artificial ...

TxB2 is a biomarker indicating aspirin's effect on platelet aggregation, the clumping of platelets that leads to dangerous blood clots This rapid inhibition is critical during suspected heart attacks, ...

SAN ANTONIO, Nov. 10, 2025 – A simple blood test for platelet activity at middle age could one day help identify people at risk for Alzheimer’s disease decades ahead of time, allowing for possible ...