Medical supply company markets infrared scan of veins as a replacement for fingerprinting or retinal scans. Photos: Scanning human veins ...

What is chronic venous insufficiency and what causes it? It’s a form of venous disease that can occur when the veins in your legs become damaged or weakened.

Swollen legs led to President Donald Trump being diagnosed with what’s called chronic venous insufficiency.

President Donald Trump has been diagnosed with chronic venous insufficiency, but what is that? Is it serious? Symptoms? What to know.

Medical supply company markets infrared scan of veins as a replacement for fingerprinting or retinal scans. Photos: Scanning human veins ...