U.S. President Donald Trump, 79, has been diagnosed with chronic venous insufficiency (CVI)—a vein disorder causing blood to pool in the legs—after observers noted swelling during a FIFA event. The White House confirmed the condition is “benign and common,

President Donald Trump has been diagnosed with chronic venous insufficiency, the White House announced on Thursday. Here's what to know about the condition.

From tingly legs to bulging veins, these warning signs may point to chronic venous insufficiency—a widespread circulatory issue doctors say is on the rise.