The PFO makes it easier for clots from elsewhere in the body to travel up an artery directly to the brain, which causes a stroke. An opening in the heart like this may also allow homocysteine, ...

Both traditional and less conventional risk factors contribute strongly to the risk of cryptogenic ischemic stroke in adults younger than 50 years, but their relative importance varies by the presence ...

Younger adults under the age of 50 may face more danger from unexpected stroke risk factors—like migraines with aura or hidden blood clots—than from traditional causes such as high blood pressure or ...

It usually foreshadows a stroke, which is caused by a clot or blockage in the brain." ... UCLA Health ran tests and found out that Hailey had suffered from grade 5 Patent Foramen Ovale (PFO).