What is chronic venous insufficiency, the condition Donald Trump has?
Chronic venous insufficiency (CVI), the condition US President Donald Trump has been diagnosed with, occurs when leg veins can't return blood efficiently to the heart. It causes blood to pool in lower limbs. Symptoms include swelling in feet and ankles, aching or heavy legs, tingling, varicose veins and ulcers. According to Cleveland Clinic, it affects around 5% of US adults.