Strokes are a leading cause of death in the U.S., with nearly 800,000 people experiencing one every year. On average, a stroke occurs every 40 seconds in the country. These numbers are jarring and ...

Patients with noncardioembolic ischemic stroke or transient ischemic attack (TIA) are at risk for recurrent stroke. Low factor XI levels are associated with a reduced risk of ischemic stroke.