An abdominal aortic aneurysm is a life-threatening vascular condition with limited treatment options. 

Now, researchers from the University of Michigan Frankel Cardiovascular Center have identified a driving force behind the condition, opening up a potential target for new therapies. Their paper uncovering the causal link between triglycerides and abdominal aortic aneurysms won the STAT Madness 2026 popular vote. 

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For her new research on the brain’s plumbing system, neuroscientist Maiken Nedergaard had to hone many techniques. Among them — coaxing her lab mice into restful sleep, even as they lay on microscope beds with tiny fiberoptic wires threaded into their brains.  

“It was really hard to get the mice to sleep naturally,” said Nedergaard, who spent weeks cuddling the animals in her hands, so they’d learn to feel safe. “But then we said, ‘we really want to not have them disturbed.’”

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