According to Press Secretary Karoline Leavitt, Trump, who is 79, was diagnosed following an ultrasound of his legs; he does ...

The blood–brain barrier acts as a strict control point for what can enter the brain, and is created by tight junctions between endothelial cells lining blood vessels, astroyctic endfeet and a ...

Visible veins aren’t usually a cause for concern. Everyday factors can make veins more noticeable. But there are a few causes that are an emergency.